Common words: acre, agree, alert, alter, anger, angler, antler, arc, are, art, canter, car, care, cart, cartel, cater, center, central, centre, cereal, claret, cleaner, clear, crag, crane, crate, create, eager, ear, earl, earn, eater, enlarge, enrage, enter, era, erect, eternal, gear, general, genre, gentler, glare, gnarl, grace, grant, grate, great, green, greet, lager, lancer, large, later, learn, learnt, lectern, leer, near, neater, nectar, race, rag, rage, ran, rang, range, rant, rat, rate, react, reagent, real, recant, recent, rectal, RECTANGLE, reel, reenact, regal, regent, relate, relent, renal, rent, rental, tar, tare, tear, tern, trace, trance, treacle, tree.

All words: acre, ager, agree, alert, alter, anger, angler, antler, antre, ar, arc, are, arete, argent, argle, art, artel, cager, caner, canter, car, care, careen, caret, carl, carle, carn, carnet, cart, carte, cartel, cater, centare, center, centra, central, centre, cerate, cere, cereal, clanger, claret, cleaner, clear, crag, crane, crate, create, creel, crenate, crenel, eager, eagre, ear, earl, earn, eater, ecarte, eger, egret, elater, enlarge, enrage, enter, entera, enteral, er, era, ere, erect, erg, ergate, ern, erne, eternal, galere, gar, garnet, gear, genera, general, genre, gentler, gerent, glancer, glare, gleaner, gnar, gnarl, grace, gran, grant, grantee, grat, grate, great, greaten, gree, green, greet, lacer, lager, lancer, lar, laree, large, later, leaner, lear, learn, learnt, lectern, leer, leger, nacre, narc, near, neater, nectar, negater, race, rag, rage, ragee, rale, ran, rance, ranee, rang, range, rant, rat, rate, ratel, re, react, reagent, real, rec, recane, recant, recent, reclean, recta, rectal, RECTANGLE, ree, reel, reenact, reg, regal, regale, regent, regental, reglet, regna, regnal, relace, relate, relent, relet, renal, rent, rental, rente, ret, retag, rete, taler, tangler, tanrec, tar, tare, targe, tarn, tear, teleran, tenrec, terce, tercel, terga, tergal, tern, terne, trace, trance, treacle, tree, treen.