Day01 improve - prove
Day02 castle - cast
Day03 megaphone - gap
Day04 extension - tension
Day05 destory - Troy
Day06 portrait - trait
Day07 excitem - item
Day08 cancer - can
Day09 tournament - name
Day10 destination - nation
Day11 display - play
Day12 happen - pen
Day13 carve - car
Day14 Tolstoy - toy
Day15 ruby - rub
Day16 concentrate - once
Day17 confirm - firm
Day18 personality - son
Day19 witness - wit
Day20 fortunate - tuna
Day21 spark - park
Day22 ordeal - deal
Day23 prefer - refer
Day24 selfish - fish
Day25 agriculture - culture
Day26 violate - viola
Day27 division - vision
Day28 battery - bat
Day29 sweater - sweat
Day30 reject - eject
Day31 clever - lever
Day32 notebook - note
Day33 argument - gum
Day34 villain - villa
Day35 pollute - poll
Day36 octopus - top
Day37 naturally - rally
Day38 king - kin
Day39 laboratory - labor
Day40 slavery - very