Word blank with one letter changed

Letter on position 1 (b) changed: 4 words

Letter on position 2 (l) changed: 1 word

brank

Letter on position 3 (a) changed: 2 words

blink
blunk

Letter on position 4 (n) changed: 1 word

black

Letter on position 5 (k) changed: 1 word

bland