Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
The word exculcare could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
exculcātor, ōris, m. [exculco], milit. t. t., a skirmisher, scout, Veg. Mil. 2, 15.
exculcātus, a, um, P. a., from exculco.
ex-culco, āvi, ātum, 1 [calco], to tread or beat out (very rare; not in Cic.).