supra PREFIX
supra-, over, above, upon, on top of; earlier than; beyond; superior to;
nec.are V 1 1 PRES ACTIVE INF 0 X
nec.are V 1 1 PRES PASSIVE IND 2 S Early
nec.are V 1 1 PRES PASSIVE IMP 2 S
neco, necare, necavi, necatus V (1st) TRANS [XXXBO]
neco, necare, necui, nectus V (1st) TRANS [BXXFO] Early veryrare
kill/murder; put to death; suppress, destroy; kill (plant); quench/drown (fire)

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.