bitumin.are V 1 1 PRES ACTIVE INF 0 X
bitumin.are V 1 1 PRES PASSIVE IND 2 S Early
bitumin.are V 1 1 PRES PASSIVE IMP 2 S
bitumino, bituminare, bituminavi, bituminatus V (1st) TRANS [DTXES] Late uncommon
cover/impregnate with bitumen/tar; tar;
Syncope r => v.r
Syncopated perfect often drops the 'v' and contracts vowel
bituminav.ere V 1 1 PERF ACTIVE IND 3 P
bitumino, bituminare, bituminavi, bituminatus V (1st) TRANS [DTXES] Late uncommon
cover/impregnate with bitumen/tar; tar;

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.