phanerogam vs spermatophyte

phanerogam and spermatophyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
phanerogam	Yes	No	No	No
spermatophyte	Yes	No	No	No

As nouns, phanerogam and spermatophyte are synonyms defined as:

phanerogam and spermatophyte: plant that reproduces by means of seeds not spores

Other synonyms of phanerogam include seed plant.

phanerogam (noun)	spermatophyte (noun)
plant that reproduces by means of seeds not spores	plant that reproduces by means of seeds not spores