Two words
May be 2 words combined (sputa+culum) If not obvious, probably incorrect
cul.um N 2 1 ACC S M
culus, culi N (2nd) M [XBXCO]
buttocks; posterior; anus; (rude);
sput.a VPAR 3 1 NOM S F PERF PASSIVE PPL
sput.a VPAR 3 1 VOC S F PERF PASSIVE PPL
sput.a VPAR 3 1 ABL S F PERF PASSIVE PPL
sput.a VPAR 3 1 NOM P N PERF PASSIVE PPL
sput.a VPAR 3 1 VOC P N PERF PASSIVE PPL
sput.a VPAR 3 1 ACC P N PERF PASSIVE PPL
spuo, spuere, spui, sputus V (3rd) [XXXDX] lesser
spit, spit out;
sput.a N 2 2 NOM P N
sput.a N 2 2 VOC P N
sput.a N 2 2 ACC P N
sputum, sputi N (2nd) N [XXXDX] lesser
spittle;
sput.a V 1 1 PRES ACTIVE IMP 2 S
sputo, sputare, sputavi, sputatus V (1st) [XXXDX] lesser
spit out;


*

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.