Cases of word usage

1) (especially of a person) a perfect example (of a certain character) (archetype)

2) a picture, description, imitation, of a person's voice, behaviour etc stressing certain features in order to amuse or ridicule (caricature)

3) pickled eggs (roe) of the sturgeon or certain other large fish (caviar)

4) something considered certain to happen or that certainly has happened (cert)

5) something that is certain (certainty)

6) easily understood and certain (clear-cut)

7) a short Christian prayer to be said on certain days (collect)

8) depending (on certain things) (conditional)

9) a government tax on certain goods manufactured, sold or used within a country (excise)

10) a flat limb of certain sea animals (not fish) used in swimming; a similar device, usually of rubber, worn on the feet to aid swimming (flipper)