orange grove vs plantation

orange grove and plantation both are nouns.

Word	Noun	Adjective	Verb	Adverb
orange grove	Yes	No	No	No
plantation	Yes	No	No	No

As nouns, plantation is a hypernym of orange grove; that is, plantation is a word with a broader meaning than orange grove:

orange grove: grove of orange trees
plantation: garden consisting of a small cultivated wood without undergrowth

Other hypernyms of orange grove include grove, orchard, woodlet.

orange grove (noun)	plantation (noun)
grove of orange trees	garden consisting of a small cultivated wood without undergrowth
	an estate where cash crops are grown on a large scale (especially in tropical areas)