longar palm vs fan palm

longar palm and fan palm both are nouns.

Word	Noun	Adjective	Verb	Adverb
longar palm	Yes	No	No	No
fan palm	Yes	No	No	No

As nouns, fan palm is a hypernym of longar palm; that is, fan palm is a word with a broader meaning than longar palm:

longar palm: tall fan palm of Africa and India and Malaysia yielding a hard wood and sweet sap that is a source of palm wine and sugar; leaves used for thatching and weaving
fan palm: palm having palmate or fan-shaped leaves

longar palm (noun)	fan palm (noun)
tall fan palm of Africa and India and Malaysia yielding a hard wood and sweet sap that is a source of palm wine and sugar; leaves used for thatching and weaving	palm having palmate or fan-shaped leaves