How many words?

Breast, feeding, feed, fed, rest, eat, ate, tea, teas, eats, sit, sat, fade, deaf, fare, fear, bear, sear, tear, tears, sing, sang, seeing, safe, safest, safer, seed, readings, reading, teasing, tease, teased, eased, ease, erase, erased, fading, breeding, breed, free, freed, raise, raised, tree, trees, big, bag, bags, fad, fads, sad, said, read, feast, fast, fasting, far fares, fears, dear, dares, dare, rad, staring, stare, baring, bare, bared, gin, gins, gene, genes, bar, bars, barf, ring, rings, rang, tire, tires, tired, fire, fired, fires, bring, brings, string, east, reef, deer, deers, fan, fans, stead😊