Cross these words
13 6-letter words
Cross any twelve of the following thirteen six-letter words (that is, cross six words across and six words down): ARENAS, CALICO, CERUSE, COOPER, EMCEED, ERENOW, ESTERS, INSIDE, LEARNT, OWNERS, REASON, SANDER, and UNRIPE.
One word is the Odd Word Out. Which word is that?