frog's-bit vs frogbit

frog's-bit and frogbit both are nouns.

Word	Noun	Adjective	Verb	Adverb
frog's-bit	Yes	No	No	No
frogbit	Yes	No	No	No

As nouns, frog's-bit and frogbit are synonyms defined as:

frog's-bit and frogbit: European floating plant with roundish heart-shaped leaves and white flowers

Other synonyms of frog's-bit include Hydrocharis morsus-ranae.

frog's-bit (noun)	frogbit (noun)
European floating plant with roundish heart-shaped leaves and white flowers	European floating plant with roundish heart-shaped leaves and white flowers