water ice vs rime

water ice and rime both are nouns.

Word	Noun	Adjective	Verb	Adverb
water ice	Yes	No	No	No
rime	Yes	No	Yes	No

As nouns, rime is a hyponym of water ice; that is, rime is a word with a more specific, narrower meaning than water ice:

Other hyponyms of water ice include black ice, frost, hoar, hoarfrost, hailstone, icicle, ground ice, segregated ice, Taber ice.

water ice (noun)	rime (noun)
an ice containing no milk but having a mushy consistency; usually made from fruit juice	correspondence in the sounds of two or more lines (especially final sounds)
water frozen in the solid state	ice crystals forming a white deposit (especially on objects outside)

water ice (verb)	rime (verb)
	compose rhymes
	be similar in sound, especially with respect to the last syllable