| A | B |
|---|
| refractory | resistant to authority or control; resistant to treatment |
| fragment | a small part broken off or detached; to break or separate something into small pieces |
| infraction | a violation of a law or rule |
| frail | physically weak or delicate; easily broken or destroyed |
| osprey | a large fish-eating bird |
| infringe | to trespass or encroach on; to violate or go beyond the limits of |
| fritter | to reduce or squander little by little |
| fractious | troublesome; unruly; irritable |
| fractional | relatively small |
