sole vs lemon sole

sole and lemon sole both are nouns.

Word	Noun	Adjective	Verb	Adverb
sole	Yes	Yes	Yes	No
lemon sole	Yes	No	No	No

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

sole: right-eyed flatfish; many are valued as food; most common in warm seas especially European
lemon sole: small European sole

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

Other hyponyms of sole include gray sole, grey sole, English sole.

sole (noun)	lemon sole (noun)
right-eyed flatfish; many are valued as food; most common in warm seas especially European	small European sole
the underside of footwear or a golf club	European flatfish highly valued as food
the underside of the foot	important American food fish in the winter
lean flesh of any of several flatfish	popular pale brown food flatfish of the Pacific coast of North America
	highly valued almost pure white flesh
	flesh of American flounder; important in the winter

sole (adjective)	lemon sole (adjective)
being the only one; single and isolated from others
not divided or shared with others

sole (verb)	lemon sole (verb)
put a new sole on