persign.are V 1 1 PRES ACTIVE INF 0 X
persign.are V 1 1 PRES PASSIVE IND 2 S Early
persign.are V 1 1 PRES PASSIVE IMP 2 S
persigno, persignare, persignavi, persignatus V (1st) TRANS [XXXFS] veryrare
note down; record;
Syncope r => v.r
Syncopated perfect often drops the 'v' and contracts vowel
persignav.ere V 1 1 PERF ACTIVE IND 3 P
persigno, persignare, persignavi, persignatus V (1st) TRANS [XXXFS] veryrare
note down; record;

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.