阿呆陀羅[ahondara] fool
呆け[boke] idiot
呆ける[bokeru] to grow senile
痴呆[chihou] dementia
呆れる[akireru] to be amazed

呆気[akke] taken aback
呆気ない[akkenai] not enough
呆然[bouzen] dumbfounded
呆然自失[bouzenjishitsu] stupor
阿呆鳥[ahoudori] albatross (esp. the short-tailed albatross, Phoebastria albatrus)