quandoque ADV POS
quandoque ADV [XXXCO]
whenever, at whatever time; at some time or other/any time/ever; whereas;
que TACKON
-que = and (enclitic, translated before attached word); completes plerus/uter;
quando ADV POS
quando ADV [XXXAX]
when (interog), at what time; at any time (indef adv);
quando CONJ
quando CONJ [XXXDX] lesser
when, since, because; [si quando => if ever];

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.