Word mod s -> ss     
May be 2 words combined (callidi+simus) If not obvious, probably incorrect
callidissi.mus       ADJ    1 1 NOM S M SUPER           
callidus, callida -um, callidior -or -us, callidissimus -a -um  ADJ   [XXXBO]  
crafty, sly, cunning; wise, expert, skillful, clever, experienced, ingenious;
Two words            
callid.i             ADJ    1 1 GEN S M POS             
callid.i             ADJ    1 1 GEN S N POS             
callid.i             ADJ    1 1 NOM P M POS             
callid.i             ADJ    1 1 VOC P M POS             
callidus, callida -um, callidior -or -us, callidissimus -a -um  ADJ   [XXXBO]  
crafty, sly, cunning; wise, expert, skillful, clever, experienced, ingenious;
sim.us               ADJ    1 1 NOM S M POS             
simus, sima, simum  ADJ   [XBXCO]  
flatnosed, snub-nosed; having flattened nose; flatten/splayed (nose/other);
s.imus               V      5 1 PRES ACTIVE  SUB 1 P    
sum, esse, fui, futurus  V   [XXXAX]  
be; exist; (also used to form verb perfect passive tenses) with NOM PERF PPL
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