abhorrer, attestant, attestator, attestor, cosignatory, cosigner, endorser, indorser, witness.
signed, signet, signor, sinner, wigner.
berliner, designer, diner, finer, liner, miner, minor, niner, recliner, refiner, shiner, steiner, whiner, whiner, wiener.
regains, gainers, earings, erasing, searing, seringa, reginas, reagins, bingers, cringes, dingers, engirds, greisen, fingers, fringes, niggers, snigger, serging, gingers, hingers, slinger, lingers, ginners, signore, regions, eringos, ignores, springe, pingers, ringers, signers, ingress, resigns, singers, stinger, resting, reusing, serving, versing, wingers, and 3 more.
Your query has returned 74 words, which include anagrams of signer as well as other shorter words that can be made using the letters included in signer.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.