- solIn a movable-do or tonic sol-fa system: the fifth step in a scale, preceded by fa and followed by la.
- soliformLike the sun in appearance or nature.
- solifugalMoving away from the sun.
- solilunarRelating to, or due to the influence of, both the sun and the moon.
- solipetalMoving towards the sun.
- solisequiousFollowing the sun.