暗部[anbu] dark side (of nature, town, etc.)
鞍部[anbu] col
医学部[igakubu] medical faculty
一局部[ichikyokubu] one part
一部[ichibu] one part

一部始終[ichibushijuu] full particulars
一部分[ichibubun] part
陰部[inbu] the genital area
営業部[eigyoubu] sales department
掩護部隊[engobutai] covering force

円頂[enchou] dome
山の頂[yamanoitadaki] mountain top
山頂[sanchou] summit (e.g. mountain)
絶頂[zecchou] summit
頂きます[itadakimasu] expression of gratitude before meals

聴き頂く[kikiitadaku] to receive a hearing
頂き[itadaki] crown (of head)
頂き物[itadakimono] (received) present
頂上[choujou] top
頂戴[choudai] receiving

データの先頭[deetanosentou] beginning of data
一頭[ittou] one large animal (horses, cattle, etc.)
一頭立て[ittoudate] one-horse (carriage)
咽頭[intou] pharynx
駅頭[ekitou] station

音頭[ondo] leading a group of people
会頭[kaitou] society president
街頭[gaitou] in the street
核弾頭[kakudantou] nuclear warhead
巻頭[kantou] opening page of book