叶う[kanau] to come true (wish)
叶える[kanaeru] to grant (request, wish)
願ったり叶ったり[negattarikanattari] everything working out as desired
意に叶う[inikanau] to satisfy (one)

眼鏡に叶う[meganenikanau] to win the favour of (favor)
叶わぬ時の神頼み[kanawanutokinokamidanomi] Man turns to God only in his trouble
心に叶う[kokoronikanau] to be pleased with

この先の心持ち[konosakinokokoromochi] feelings from this point on
御心配なく[goshinpainaku] don't worry
愛郷心[aikyoushin] love of one's hometown
愛国心[aikokushin] patriotic feelings
悪心[akushin] evil thought

悪心[oshin] nausea
安心[anshin] relief
安心立命[anshinritsumei] spiritual peace and enlightenment
以心伝心[ishindenshin] telepathy
依頼心[iraishin] spirit of dependence

適わない[kanawanai] no match for
快適[kaiteki] pleasant
快適さ[kaitekisa] amenity
適う[kanau] to come true (wish)
適える[kanaeru] to grant (request, wish)

好適[kouteki] ideal
最適[saiteki] optimum
最適化[saitekika] optimization
素適[suteki] lovely
適確[tekkaku] precise