semiepiphyte vs air plant

semiepiphyte and air plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
semiepiphyte	Yes	No	No	No
air plant	Yes	No	No	No

As nouns, air plant is a hypernym of semiepiphyte; that is, air plant is a word with a broader meaning than semiepiphyte:

semiepiphyte: a plant that is an epiphyte for part of its life
air plant: plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it

Other hypernyms of semiepiphyte include aerophyte, epiphyte, epiphytic plant.

semiepiphyte (noun)	air plant (noun)
a plant that is an epiphyte for part of its life	plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it