keyring

Keyfob is likely misspelled.

Keyfob has no English definition.

As a noun keyring is

a ring, normally of metal or plastic, for holding keys together.

As nouns the difference between keyring and keying

is that keyring is a ring, normally of metal or plastic, for holding keys together while keying is in the sociology of Erving Goffman, an action or utterance that signals the meaning of interaction to participants.

As a verb keying is

present participle of lang=en.

As nouns the difference between taxonomy and keyring

is that taxonomy is the science or the technique used to make a classification while keyring is a ring, normally of metal or plastic, for holding keys together.