Zacken, Zahn [m] (der ~), Zinke [v] (die ~), Zacke [v] (die ~), Klaue [v] (die ~) {zn.}
Dieser Zahn ist wackelig.
This tooth is wobbly.
Welcher Zahn tut weh?
Which tooth hurts?
Kulm, Spitze [v] (die ~), Stift [m] (der ~), Zacke [v] (die ~), Zinke [v] (die ~), Zipfel [m] (der ~) {zn.} tip
summit
point
peak
acme
zenith
highlight
apex
Das ist nur die Spitze des Eisbergs.
It's just the tip of the iceberg.
Die Spitze des Messers ist spitz.
The tip of the knife is sharp.