Here are the answers for level 4 of Letter Swap, note that the puzzles might not appear in the same order. Make sure to use the search function to find solution for that particular puzzle. Share your views in the comment section below.
Letter Swap Level 4-60 – Railing, Staircase, Lampppost, Branches
Letter Swap Level 4-61 – Collection, Stamp, Tweezer, Postage
Letter Swap Level 4-62 – Scarf, Propeller, Airplane, Pants
Letter Swap Level 4-63 – Paperclip, Hourglass, Teapot, Typewriter
Letter Swap Level 4-64 – Gondola, Costume, Mask, Seashell
Letter Swap Level 4-65 – Volcano, Lava, Smoke, Eruption
Letter Swap Level 4-66 – Camel, Pyramid, Sand, Desert
Letter Swap Level 4-67 – Karate, Kick, Black belt, Martial Arts
Letter Swap Level 4-68 – Locomotive, Railroad, Station, Steam
Letter Swap Level 4-69 – Quartet, Cello, Mannequin, Musician
Letter Swap Level 4-70 – Bacon, Toast, Orange Juice, Breakfast
Letter Swap Level 4-71 – Gold, Fountain, Statue, Water