As nouns the difference between cockroach and roboroach
is that cockroach is a black or brown straight-winged insect of the order blattodea while roboroach is a cockroach that is part organic and part machine; a cyborg cockroach.
cockroach
Noun
(es)
A black or brown straight-winged insect of the order Blattodea .
(offensive, slang) An unhygienic person or a member of a group of people regarded as unhygienic or rapidly procreating.
Synonyms
* (black or brown insect) roach (US)
roboroach
English
Noun
(es)
A cockroach that is part organic and part machine; a cyborg cockroach.