fost Adjective, fost

1. (of someone who had a feature, degree, function, name, etc. which they no longer possess) former

Appox. usage (any sense): 5140 per million words

ex-comunist Adjective, ex-comunist

1. former communist

Appox. usage (any sense): 0.18 per million words

biv Adjective, biv

1. (dated, historical) ex-, former (preceding a medieval rank in Wallachia or Moldavia)

Appox. usage (any sense): 1.4 per million words