Blattella germanica vs Croton bug

Blattella germanica and Croton bug both are nouns.

Word	Noun	Adjective	Verb	Adverb
Blattella germanica	Yes	No	No	No
Croton bug	Yes	No	No	No

As nouns, Blattella germanica and Croton bug are synonyms defined as:

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

Other synonyms of Blattella germanica include crotonbug, German cockroach, water bug.

Blattella germanica (noun)	Croton bug (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