As nouns the difference between cozzer and cozier
is that cozzer is (british|slang) a policeman, especially a detective; a rozzer while cozier is .
As an adjective cozier is
(cozy).
cozzer
English
Noun
(
en noun)
(British, slang) a policeman, especially a detective; a rozzer cozier
English
Adjective
(head)
(cozy)