detusk vs tusk

detusk is not a noun while tusk is a noun.

Word	Noun	Adjective	Verb	Adverb
detusk	No	No	Yes	No
tusk	Yes	No	Yes	No

As verbs, detusk and tusk are synonyms defined as:

detusk (noun)	tusk (noun)
	a long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog
	a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses

detusk (verb)	tusk (verb)
remove the tusks of animals	remove the tusks of animals
	stab or pierce with a horn or tusk