Clash

Part of speech: noun (n.)

1. A loud noise resulting from collision; a noisy collision of bodies; a collision. The roll of cannon and clash of arms. Tennyson.

2. Opposition; contradiction; as between differing or contending interests, views, purposes, etc. Clashes between popes and kings. Denham.

Part of speech: verb (v.)

1. To make a noise by striking against something; to dash noisily together.

2. To meet in opposition; to act in a contrary direction; to come onto collision; to interfere. However some of his interests might clash with those of the chief adjacent colony. Palfrey.

Part of speech: verb (v.)

To strike noisily against or together.