squash vine vs vine

squash vine and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
squash vine	Yes	No	No	No
vine	Yes	No	No	No

As nouns, vine is a hypernym of squash vine; that is, vine is a word with a broader meaning than squash vine:

squash vine: any of numerous annual trailing plants of the genus Cucurbita grown for their fleshy edible fruits
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

squash vine (noun)	vine (noun)
any of numerous annual trailing plants of the genus Cucurbita grown for their fleshy edible fruits	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface