伯叔[hakushuku] brothers
大叔父[oooji] granduncle
大叔母[oooba] grandaunt
叔父[hakufu] uncle
叔父[oji] uncle (younger than one's parent)

叔母[hakubo] aunt
叔世[shukusei] age of decline (said of a nation)
叔父貴[ojiki] uncle (younger than one's parent)
叔父さん[ojisan] uncle
叔母さん[obasan] aunt

御祖父さん[ojiisan] grandfather
御父さん[otossan] father
異父[ifu] same mother, different father
家父長制[kafuchousei] patriarchal authority
外祖父[gaisofu] maternal grandfather

岳父[gakufu] (man's) father-in-law
杜父魚[tofugyo] sculpin (any fish of family Cottidae, inc. the bullheads and the miller's-thumb)
義父[gifu] father-in-law
教父[kyoufu] godfather
継父[keifu] stepfather

阿吽の呼吸[aunnokokyuu] the harmonizing, mentally and physically, of two parties engaged in an activity
阿呆陀羅[ahondara] fool
阿蘭陀[oranda] Holland
阿ねる[omoneru] to flatter
阿多福[otafuku] homely woman (esp. one with a small low nose, high flat forehead, and bulging cheeks)

阿鼻叫喚[abikyoukan] agonizing cries
阿片窟[ahenkutsu] opium den
阿弥陀[amida] Amitabha
阿呍[aun] Om
阿諛[ayu] flattery