Or uncertain affinity; a reed (the plant or its stem, or that of a similar plant); by implication, a pen -- pen, reed.
κάλαμον (kalamon) − 6 Occurrences
κάλαμος (kalamos) − 1 Occurrence
καλάμου (kalamou) − 1 Occurrence
καλάμῳ (kalamō) − 4 Occurrences