per PREFIX
very -, - completely, - thoroughly;
c SUFFIX
-ic; of, pertaining/belonging to; connected with; derived/coming from (place);
seic.us ADJ 1 1 NOM S M POS
Seia, Seiae N (1st) F [XEINO] Pliny
Seia; (tutelary goddess of grain at time of sowing);
Seius, Sei N (2nd) M [XLICO]
Seius; (Roman gens name); fictitious name in law; [M. Seius => ally of Caesar];

Credits:
This, our local install of the popular standby Whitaker's Words, is possible thanks to the resurrection of the venerable project at William Whitaker's Words, where you will also find extensive documentation. The corresponding GitHub repository is where you can submit issues about missing forms and analyses.
This web interface by Walter M. Shandruk.