忌
1〔喪〕mourning2〔命日〕母の三回忌にon the second anniversary of my mother's death
法要
a Buddhist memorial service父の7回忌法要を営んだWe held a memorial service on the sixth anniversary of our ...
回忌
父の3[7]回忌にon the second [sixth] anniversary of my father's death
周忌
⇒-かいき(-回忌)父の三周忌にon the second anniversary of my father's death
年忌
⇒-かいき(-回忌)