crotonbug vs Blattella germanica

crotonbug and Blattella germanica both are nouns.

Word	Noun	Adjective	Verb	Adverb
crotonbug	Yes	No	No	No
Blattella germanica	Yes	No	No	No

As nouns, crotonbug and Blattella germanica are synonyms defined as:

crotonbug and Blattella germanica: small light-brown cockroach brought to United States from Europe; a common household pest

Other synonyms of crotonbug include Croton bug, German cockroach, water bug.

crotonbug (noun)	Blattella germanica (noun)
small light-brown cockroach brought to United States from Europe; a common household pest	small light-brown cockroach brought to United States from Europe; a common household pest