white melilot vs sweet clover

white melilot and sweet clover both are nouns.

Word	Noun	Adjective	Verb	Adverb
white melilot	Yes	No	No	No
sweet clover	Yes	No	No	No

As nouns, sweet clover is a hypernym of white melilot; that is, sweet clover is a word with a broader meaning than white melilot:

white melilot: biennial plant; valuable honey plant
sweet clover: erect annual or biennial plant grown extensively especially for hay and soil improvement

Other hypernyms of white melilot include melilot, melilotus.

white melilot (noun)	sweet clover (noun)
biennial plant; valuable honey plant	erect annual or biennial plant grown extensively especially for hay and soil improvement