接辞 is read as せつじ (setsuji) and means affix.
せつじ
setsuji
せっちゅうじ
infix
せっとうじ
prefix
せつびじ
suffix
せっきん
becoming close (i.e. friendly)
せったい
entertainment (of guests; esp. in the corporate world)
せつぞく
changing trains
せっする
to be tangent to
せっしょく
touch
せっせん
close combat
せってん
contact (electrical, etc.)
せっけん
meeting with one's lawyer (while detained or imprisoned)
せっしゅ
inoculation