assure vs tick

assure is not a noun while tick is a noun.

Word	Noun	Adjective	Verb	Adverb
assure	No	No	Yes	No
tick	Yes	No	Yes	No

assure (noun)	tick (noun)
	any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals
	a light mattress
	a mark indicating that something has been noted or completed etc.
	a metallic tapping sound

assure (verb)	tick (verb)
be careful or certain to do something; make certain of something	put a check mark on or near or next to
inform positively and with certainty and confidence	sew
assure somebody of the truth of something with the intention of giving the listener confidence	make a clicking or ticking sound
make a promise or commitment	make a sound like a clock or a timer
make certain of