gook vs goop

gook and goop both are nouns.

Word	Noun	Adjective	Verb	Adverb
gook	Yes	No	No	No
goop	Yes	No	No	No

As nouns, gook and goop are synonyms defined as:

Other synonyms of gook include goo, guck, gunk, muck, ooze, slime, sludge.

gook (noun)	goop (noun)
any thick, viscous matter	street names for gamma hydroxybutyrate
	any thick, viscous matter