contri.eris          V      6 1 FUT  PASSIVE IND 2 S      Later     uncommon
contreo, contrire, contrivi(ii), contritus  V TRANS   [EEXFW]    Later  veryrare
destroy, crush; go against;
contri.eris          V      4 1 FUT  PASSIVE IND 2 S    
contrio, contrire, -, -  V (4th) TRANS   [XXXFO]    veryrare
wear down;
Syncope  ier=>iver   
Syncopated perfect often drops the 'v' and contracts vowel
contriv.eris         V      3 1 PERF ACTIVE  SUB 2 S    
contriv.eris         V      3 1 FUTP ACTIVE  IND 2 S    
contero, conterere, contrivi, contritus  V (3rd) TRANS   [XXXBO]  
grind, crush, pound to pieces; bruise, crumble; rub/wipe away/out/off, expunge;
spend, exhaust, waste (time), use up; wear out/down; make weary;
contriv.eris         V      6 1 PERF ACTIVE  SUB 2 S    
contriv.eris         V      6 1 FUTP ACTIVE  IND 2 S    
contreo, contrire, contrivi(ii), contritus  V TRANS   [EEXFW]    Later  veryrare
destroy, crush; go against;