Word flanked with one letter changed

Letter on position 1 (f) changed: 3 words

Letter on position 2 (l) changed: 1 word

franked

Letter on position 3 (a) changed: 1 word

flunked

Letter on position 4 (n) changed: 1 word

flacked

Letter on position 5 (k) changed: 1 word

flanged

Letter on position 7 (d) changed: 2 words