fornicor
Could not find fornicaris in Logeion dictionaries.
fornicaris Verb: perfect active subjunctive 2nd singular, Verb: present passive indicative 2nd singular of fornicor
fornĭcor, ātus, 1, v. dep. n. [fornix, II],
- to commit whoredom or fornication (eccl. Lat.), Tert. Pudic. 22; Vulg. Gen. 38, 24 et saep.