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

鋭い[surudoi] sharp (blade)
鋭意[eii] eagerly
鋭角[eikaku] acute angle
鋭感[eikan] sensitiveness
鋭気[eiki] courage

鋭敏[eibin] sharpness
鋭鋒[eihou] brunt of attack or argument
鋭利[eiri] sharpness
少壮気鋭[shousoukiei] young and energetic
新鋭[shinei] freshly picked