So the name giver didn't contradict himself, and 'deon' ('obligation') is plainly the same as 'ōphelimon' ('beneficial'), 'lusiteloun' ('profitable'), 'kerdaleon' ('gainful'), 'agathon' ('good'), 'sumpheron' ('advantageous'), and 'euporon' ('lack of perplexity'), which are different names signifying what orders and moves.