altern.atis V 1 1 PRES ACTIVE IND 2 P
alterno, alternare, alternavi, alternatus V (1st) [XXXBO]
alternat.is VPAR 1 1 DAT P X PERF PASSIVE PPL
alternat.is VPAR 1 1 ABL P X PERF PASSIVE PPL
do by turns, vary; alternate, waver, ebb and flow; bear/crop in alternate years
alternat.is ADJ 1 1 DAT P X POS
alternat.is ADJ 1 1 ABL P X POS
alternatus, alternata, alternatum ADJ [XXXDO] lesser
alternate, succeeding each in turn; alternative;

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.