忌避【きひ】
evasion, avoidance, shirking, recusation (of a judge), taking exception (to a judge), challenge
忌まわしい【いまわしい】
unpleasant, disagreeable, abominable, disgusting, unsavory, unlucky, inauspicious, ominous
回忌【かいき】
death anniversary
一周忌【いっしゅうき】
first anniversary of a person's death
七回忌【しちかいき】
sixth anniversary of a death
三回忌【さんかいき】
second anniversary of a death