Ozish

Felo - (fellow)
Felo Flathead, a guard of the Stairway
    "Faileodh" //fel'o:yy// - /felo:/ (fellow) - "Faileodh" = "fellow, comrade" interesting name for a fellow dictator where all are dictators, comrade

Gabazoo - (loathsome valley, thorny valley)
the wizards mispronunciation of Mangaboo
    "Gabuighuath" //ga:ba3'u:h// - /ga:bazu:/ (gabazoo) - "Gabuighuath" = "loathsome valley, thorny valley"
  from "Gabuidh" //ga:bu:yy'// - /ga:bu:gh/ (gaboogh) - "Gabuidh" = "long valley with flat land"
  from "Gaibeal" //ga:b'e:l// - /ga:b'al/ (gabul) - "Gaibeal" = (gap, chasm)
  from "Gab" //ga:p// - /ga:p/ (gap) - "Gab" = "gap, mouth"
  combined with "Thuath" //hu:h// - /hu:/ (hoo) - "Thuath" = "loathsome, rustic, perverse"
  or with "Uath" //u:h// - /u:/ (oo) - "Uath" = "thorny, dreadful"

Gadgol - (one who causes distress and injury)
who took evil delight in flying against the tree-trunks and wounding them so that they drooped and died from the poisonous contact
    "Gabhadgothail" //gawad*gohal'// - /ga:d*go:l'/ (gadgol) - "Gabhadgothail" = "one who causes distress and injury"
  from "Gabhad" //gawad// - /ga:t/ (gat) - "Gabhad" = "distress"
  combined with "Gothail" //gohal'// - /go:l'/ (gol) - "Gothail" = "injury"

Gallipoot - (violent power)
good at throwing elephants around
    "Gailliput" //ga:ll'ipu:t// - /ga:llipu:t/ (gallipoot) - "Gailliput" = "violent power"
  from "Gailli-" //ga:ll'i// - /ga:lli/ (golly) - "Gailli-" = "violent, tempestuous"
  combined with "Put" //pu:t// - /pu:t/ (poot) - "Put" = "force, gust"

Garee - (raker)
Queen of Pingaree
    "Gearraidh" //g'a:rri:yy'// - /garri:/ (gahree) - "Gearraidh" = "raker"
  from "Gearr" //g'arr// - /g'arr/ (garr) - "Gearr" = "rake, spear, mister pointy"
  from "Gear" //g'e:r// - /g'e:r/ (gayr) - "Gear" = "sharp"

Gaulau - (legerdemain)
"No," replied Glinda, "it is more wonderful than even radium, for I recognize it as a rare mineral powder called Gaulau by the sorcerers
    "Gamhlamh" //ga:wwla:ww// - /ga:ula:u/ (gaulau) - "Gamhlamh" = "trick hand, legerdemain, prestidigitation"
  from "Gamh" //ga:ww// - /ga:u/ (gau) - "Gamh" = "trick"
  from "Gama" //ga:m// - /ga:m/ (gahm) - "Gama" = "game, tricks"
  combined with "Lamh" //la:ww// - /la:u/ (lau) - "Lamh" = "hand"

Gayelette - (witch)
there lived here then, away at the North, a beautiful princess, who was also a powerful sorceress
    "gCailleacht" //ga:ll'axt// - /ga:l'at/ (galet) - intensive of "Cailleacht" //ca:ll'axt// - /ca:l'axt/ (caleoght) - "Cailleacht" = "nun, old woman, hag, witch, maiden, girl" - this is the name of the Celtic witch goddess. "gCailleacht" = "powerful sorceress" keeping in mind that the polite term for female witch is sorceress as in the Glass Harmonica

Gilgad - (sweethaven)
capital of Rinkitink
    "Gil Geadd" //g'il'g'a:dd// - /gilga:d/ (gilgahd) - "Gil Geadd" = "fresh water harbor, sweethaven"
  from "Gil" //g'il'// - /gil/ (gill) - "Gil" = "fresh water"
  combined with "Geadd" //ga:dd// - /ga:d/ (gahd) - "Geadd" = "harbour, mouth of river"

Gillikin - (laddie)
inhabitant of the purple part of Oz
    "Giollacain" //g'ilacan'// - /gilacan/ (gilikan) - "Giollacain" = "small boy, dear lad, a ladkin"
  from "Giolla" //g'ila// - /gila/ (gila) - "Giolla" = "boy, lad, male servant"
  combined with "-cain" //can'// - /can/ (can) - "-cain" = "diminutive ending, equivalent to English -kin"

Glinda - (pure)
known as "the Good"
    "Gloinda" //glin'da:// - /glinda:/ (glinda) - "Gloinda" = "one who is pure"
  from "Glan" //gla:n// - /glan/ (glon) - "Glan" = "clean, pure" used for holiness, clarity and general all-around niceness.

Goa - (cow with abundant milk)
bell-udders, which grow upon the goa-tree and when opened are found to be filled with sweet milk
    "Gomha" //go:wwa// - /go:ua/ (goa) - "Gomha" = "cow of a calf born and reared in summer when milk is abundant"

Gos - (is what it is)
King of Coregos
    "gCoir" //gor'// - /gos/ (gos) - "gCoir" = "a man that is evil or honest or false or true"
  from "Cor" //cor// - /cor/ (cor) - "Cor" = "determined or finalized" used for all sorts of determinations. An epithet to be taken in context!

Googly-Goo - (toffy nosed ponce)
a snooty idiot, but rich, very rich and very foolish
    "Gughute Laoghudh" //gu:33u:h' le:33u:yy// - /gu:ghu:li:ghu:/ (googlygoo) - "Gughute Laoghudh" = "roaring calf, a toffy nosed ponce" said by the lower classes of the upper classes
  from "Gughute" //gu:33u:h'// - /gu:ghu:/ (googoo) - "Gughute" = "bellowing, roaring like a bull or lion"
  combined with "Laoghudh" //le:33u:yy// - /li:ghu:/ (leegoo) - "Laoghudh" = "a calf-like person, a fool"
  from "Laogh" //le:33// - /le:gh/ (laygh) - "Laogh" = "calf"

Grawle - (like a roaring wind)
and my grawle plants, which give fleetness of foot
    "Greadhaillidhe" //gr'a:yyall'i:yy'i// - /gra:ull'i/ (grawly) - "Greadhaillidhe" = "like a roaring wind"
  from "Greadhal" //gr'a:yyal// - /gra:yl/ (gryle) - "Greadhal" = "roaring wind"
  see Growleywog

Growleywog - (growling goblin)
the Herkus seem to have a similar tendancy to throw things around
    "Gromhalthabhog" //growwalhawoc// - /gra:ulhawoc/ (growlawok) - "Gromhalthabhog" = "growling goblin"
  from "Gromhaltha" //growwalha// - /gra:ulha/ (growla) - "Gromhaltha" = "growling"
  combined with "Bog" //boc// - /boc/ (bok) - "Bog" = "goblin, devil"

Gugu - (roaring)
the king of Gugu forest, an enormous yellow leopard, after whom the forest is named
    "Gughute" //gu:33u:h'// - /gu:ghu:/ (googoo) - "Gughute" = "bellowing, roaring like a bull or lion"

Gump - (yearling)
the Gump was shot in the forest and is thus a Forest Gump
    "Gamb" //gamb:// - /gamp/ (gump) - "Gamb" = "yearling of cattle, sheep, goats and deer"
  from "Gamh" //gaww// - /gaw/ (gaw) - "Gamh" = "winter"
  or from Norse "Gymb" = "ewe lamb"
  or maybe from both. Bit early for horns then. Perhaps an early maturing species.

Guph - (malicious)
would like to make happy people unhappy
    "Guimh" //gu:ww'// - /gu:f/ (goof) - "Guimh" = "malice, venom"

Gwig - (invoker)
the sorcerer of the Mangaboos
    "Guidh" //guiyy'// - /gwiyy'/ (gwigh) - "Guidh" = "one who prays, invokes"
  in extension "Guidheadoir" //guiyy'e:dor'// - /gwiyy'e:dor/ (gwizaydor) - "Guidheadoir" = "a spell caster, an enchanter"

Hiergargo - (below tunneler)
seems to me his tunnel was a bit incomplete at either end
    "Fhaoir Gargodh" //i:ar ga:r*go:yy// - /hi:erga:rgo:/ (hiergargo) - "Fhaoir Gargodh" = "below tunneler"
  from "Fhaoir" //i:ar// - /hi:er/ (hier) - "Fhaoir" = "that which is below"
  from "Fe" //fe// - /fe/ (feh) - "Fe" = "under, around"
  also found in "Faoi Fuithi Fo Fum" //fi: fahi: fo: fum// - /fi: fai: fo: fum/ (fee fie foe fum) - "Faoi Fuithi Fo Fum" = "around him - around her - around it - around me" I guess Jack's smell got around all right
  combined with "Gargodh" //ga:r*go:yy// - /ga:rgo:/ (gargoh) - "Gargodh" = "one who makes tunnels or caves, badger"
  from "Garraigh" //ga:rr*3'// - /ga:r*z/ (garz) - "Garraigh" = "tunnel, cave"

Hippolorum - (most clever speaker)
the wisest man in the Kingdom of Rinkitink, he says so himself and he should know
    "Thaipeodh Ghlorum" //hip'oyy 3lo:rum// - /hipo:lo:rum/ (hippolorum) - "Thaipeodh Ghlorum" = "most clever speaker, sophist"
  from "Thaipeodh" //hip'oyy// - /hipo:/ (hippo) - "Thaipeodh" = "one who is clever"
  from "Taipaidh" //tipi:yy'// - /tipi:/ (tippee) - "Taipaidh" = "clever"
  from "Taip" //tip// - /tip/ (tip) - "Taip" = "the main chance, one who seizes the main chance"
  combined with "Ghlor" //3lo:r// - /lo:r/ (lohr) - "Ghlor" = "speaker"
  from "Glor" //g*lo:r// - /g*lo:r/ (glohr) - "Glor" = "speech"
  combined with "um" //um// - /um/ (um) - "um" = "ending indicating the most, the extreme"

Ianu - (johnny)
a little boy of Voe
    "Ianbh" //i:anw// - /i:anu/ (ee-ah-nuh) - "Ianbh" = "johnny"
  from "Ian" //i:an// - /i:an/ (ee-ahn) - "Ian" = "john"
  combined with "-bh" //w// - /u/ (uh) which is an affectionate and diminutive ending

Inga - (hero)
Prince of Pingaree and the free-er of the slaves of Coregos
    "Fhianna" //2'inna// - /yy9a/ (inga) ((as in singer, without the s and the r)) - "Fhianna" = "hero"
  from the Fianna, the great heros of yore