sew vs tick

sew is not a noun while tick is a noun.

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

As verbs, tick is a hyponym of sew; that is, tick is a word with a more specific, narrower meaning than sew:

sew (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

sew (verb)	tick (verb)
fasten by sewing; do needlework	put a check mark on or near or next to
create (clothes) with cloth	sew
	make a clicking or ticking sound
	make a sound like a clock or a timer