0One is a verb, one a noun.02br 02br 01a05000 02a00 (The verb)02br 02br 01a05100 02a00 (The noun)0230hrefhttp://www.m-w.com/dictionary/sell231hrefhttp://www.m-w.com/dictionary/sale
0 Well, yes, but in contexts such as "a hard sell" (a high-pressure sales talk). For MOST purposes of an English learner, consider 01i00sell02i00 the verb to start with. 0-