mattress vs tick

mattress and tick both are nouns.

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

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

mattress: a large thick pad filled with resilient material and often incorporating coiled springs, used as a bed or part of a bed
tick: a light mattress

Other hyponyms of mattress include air mattress, feather bed, featherbed, futon, paillasse, palliasse, pallet, spring mattress.

mattress (noun)	tick (noun)
a large thick pad filled with resilient material and often incorporating coiled springs, used as a bed or part of a bed	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

mattress (verb)	tick (verb)
	put a check mark on or near or next to
	sew
	make a clicking or ticking sound
	make a sound like a clock or a timer