FUIT' (4 letters) The crossword solutions for the term WAS, IN LATIN are ERAT and FUIT. ERAT is the third person singular perfect indicative form of the verb 'to be' in Latin, while FUIT is the third person singular perfect indicative form of the same verb in the past tense. This verb is one of the most important verbs in Latin, as it is used to express existence, identity, and location. It is also used to form the passive voice. In English, the verb 'to be' is used in a similar way.