phototrophic bacteria vs phototropic bacteria

phototrophic bacteria and phototropic bacteria both are nouns.

Word	Noun	Adjective	Verb	Adverb
phototrophic bacteria	Yes	No	No	No
phototropic bacteria	Yes	No	No	No

As nouns, phototrophic bacteria and phototropic bacteria are synonyms defined as:

phototrophic bacteria and phototropic bacteria: green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon

phototrophic bacteria (noun)	phototropic bacteria (noun)
green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon	green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon