Status Updates From Teach Yourself Esperanto

The suffix -aĉ- is used to denote badness of quality or condition, and forms words with a disparaging sense:

infano a child
infanaĉo a brat

virino a woman
virinaĉo a hag, crone

As a prefix, fi- indicates looseness of morals, lack of principles, depravity:

vorto a word
fivorto a bad, foul word

virino a woman
fivirino a slut, bad woman

A trained linguist will probably acquire a reasonable command of Esperanto after no more than a dozen hours of study.

Yes, I am learning a new language just to understand side-dialogue in Saga.

Getting in that Esperanto!