Cafard vs. blatte vs. cancrelat
In the French language, various terms describe the insect commonly known as the cockroach. Three such terms are cafard, blatte, and cancrelat. Although they all refer to similar creatures, there are subtle differences in their usage and connotations.
Cafard
A2While cafard can mean cockroach, it is a colloquial term that also refers to a feeling of melancholy or depression.
J'ai un cafard dans ma cuisine.
(I have a cockroach in my kitchen.)
Il a un cafard depuis hier.
(He has been feeling blue since yesterday.)
Blatte
B1Blatte is the scientific and neutral term for cockroach in French.
Les blattes peuvent survivre sans tête pendant une semaine.
(Cockroaches can survive without a head for a week.)
Cette blatte est résistante aux pesticides.
(This cockroach is resistant to pesticides.)
Cancrelat
B2Cancrelat is another word for cockroach that tends to evoke a particularly strong disgust or revulsion.
Les cancrelats envahissent souvent les vieux bâtiments.
(Cockroaches often infest old buildings.)
Personne n'aime voir un cancrelat chez soi.
(Nobody likes to see a cockroach at home.)
Summary
While cafard, blatte, and cancrelat can all refer to a cockroach, cafard is more often associated with feelings of sadness and is used informally. Blatte is the scientific term used without emotional connotation. In contrast, cancrelat highlights the repulsive aspect of the insect, usually invoking stronger feelings of disgust.