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 diplomatis could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
† dī̆plōma, ătis (dat. and abl. plur. regul. diplomatibus, Tac. H. 2, 65; Plin. Ep. 10, 122; Suet. Aug. 50; Murat. Inscr. 885, 4), n., = δίπλωμα, a letter folded double, viz.,
‡ diplōmārĭus, ii, m. [diploma], one who carried out the imperial letters of recommendation, Inscr. Orell. 2917.