| A | B |
| cred- | to believe, trust |
| doc-, doct- | to teach |
| fa(b)-, fat-, fess-, fam- | to speak, reveal |
| fall-, fals-, [fail], [fault] | to deceive |
| mod- | measure |
| mut- | to change |
| tang- (ting-), tact | to touch |
| tract- | to drag |
| ac(u)- acr- acet- | sharp, bitter |
| cad- (cid-), cas- | to fall, befall |
| cap-, cip-, capt-, | to take, sieze |
| fac- fact- | to do, make |
| flor- | flower |
| flu-, flux- | to flow |
| foli (foil-) | leaf |
| noc-, nox- nic- | to hatm, kill |
|