offer.atis V 3 2 PRES ACTIVE SUB 2 P
offero, offerre, obtuli, oblatus V [XXXAX]
offer; present; cause; bestow;
offer.atis V 1 1 PRES ACTIVE IND 2 P
offero, offerare, offeravi, offeratus V (1st) [FXXFY] Medieval veryrare
offerat.is VPAR 1 1 DAT P X PERF PASSIVE PPL
offerat.is VPAR 1 1 ABL P X PERF PASSIVE PPL
offer; present; cause; bestow; (medieval form of offerre);

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.