a button (clothing) / a button (mechanical device)

electricity / electric light

to push; to thrust; to shove / to press / to stamp / to focus one's attack / to ignore an injury

buttonhole (hole for a button)

(computing, graphical user interface) Start button

reset button

付く: to stick, to adhere / 着く: to arrive / 突く: to thrust / 吐く: (also はく, haku) to breathe, to tell lies (嘘を吐く, uso wo tsuku), to vomit, to disgorge

柄: handle; design; one's character / 銑: pig iron / 釻:

塚: mound, tumulus / 柄: hilt

疲れる: get tired / passive of つく / 憑れる: be possessed