Synonyms for Ache (same or very similar meaning)
WordNet sense 1 (a dull persistent (usually moderately intense) pain):
achingWordNet sense 2 (be the source of pain):
hurt, smartWordNet sense 3 (feel physical pain):
sufferWordNet sense 4 (have a desire for something or someone who is not present):
languish, pine, yearn, yenFrom the ODE community, based on WordNetadd/edit