tailed frog vs ribbed toad

tailed frog and ribbed toad both are nouns.

Word	Noun	Adjective	Verb	Adverb
tailed frog	Yes	No	No	No
ribbed toad	Yes	No	No	No

As nouns, tailed frog and ribbed toad are synonyms defined as:

tailed frog and ribbed toad: western North American frog with a taillike copulatory organ

Other synonyms of tailed frog include Ascaphus trui, bell toad, tailed toad.

tailed frog (noun)	ribbed toad (noun)
western North American frog with a taillike copulatory organ	western North American frog with a taillike copulatory organ