| A | B |
|---|
| Unable | un means "not" as not able |
| unhappy | un means "not" as not happy |
| subway | sub means "under" as under the street |
| submarine | sub means "under" as under the water |
| credible | cred means "believe' as can be believed |
| incredible | cred means "believe" as hard to believe |
| frequently | ly means "characteristic" something happens often or frequent |
| joyfully | ly means "characteristic" of as showing joy |
| edible | ible means "can be done" as can be eaten |
| thoughtful | ful means "full of" as giving thought to something |
