boomerang vs kiley

boomerang and kiley both are nouns.

Word	Noun	Adjective	Verb	Adverb
boomerang	Yes	No	Yes	No
kiley	Yes	No	No	No

As nouns, kiley is a hyponym of boomerang; that is, kiley is a word with a more specific, narrower meaning than boomerang:

boomerang: a curved piece of wood; when properly thrown will return to thrower
kiley: an Australian boomerang; one side flat and the other convex

Other hyponyms of boomerang include kylie.

boomerang (noun)	kiley (noun)
a miscalculation that recoils on its maker	an Australian boomerang; one side flat and the other convex
a curved piece of wood; when properly thrown will return to thrower

boomerang (verb)	kiley (verb)
return to the initial position from where it came; like a boomerang