1. Abortiveness, abortivenesses, abrasiveness, Abrasivenesses, abusiveness See the full list of words here!

2. Aborsive Abort Aborted Aborticide Abortifacient Abortion abortion provider Abortional Abortionist Abortive Abortively Abortiveness Abortment abortus Abought Abound abounding About About the ears About-sledge Above above all Above par: Above the salt Above-cited Above-mentioned Aboveboard Abovedeck Abovesaid Abox Abra Abracadabra Abradant Abrade