尖端[sentan] pointed end
尖った[togatta] pointed
尖んがる[togaru] to taper to a point
尖んがり[tongari] (sharp) point
尖度[sendo] kurtosis

尖部[senbu] apex
眉尖刀[naginata] halberd
切尖[kissaki] point (of a sword, etc.)
尖塔[sentou] spire
尖鋭[senei] radical

閣下[kakka] your Excellency
閣外[kakugai] outside the Cabinet
閣議[kakugi] cabinet meeting
閣僚[kakuryou] cabinet ministers
閣僚レベル[kakuryoureberu] cabinet-level

空中楼閣[kuuchuuroukaku] castle in the air
組閣[sokaku] formation of a cabinet
単独内閣[tandokunaikaku] one-party cabinet
中間内閣[chuukannaikaku] interim cabinet
天守閣[tenshukaku] castle tower