A religious song is a type of song that is used to express faith and devotion to a higher power. The four crossword solutions for the term 'religious song' are CAROL (5 letters), PSALM (5 letters), HYMN (4 letters), and motet (5 letters). A CAROL is a festive song that is usually sung during Christmas or other religious holidays. A PSALM is a type of song found in the Bible that is used to praise God. A HYMN is a type of religious song that is typically sung in churches and other places of worship. Lastly, a motet is a type of religious song that is usually accompanied by instruments and is often used in Catholic services.