Is soul a word in the Scrabble Dictionary

Yes, soul is playable

...and is worth 6 points.

Found in the following dictionaries

Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Soul" Definition

noun

A human: "the homes of some nine hundred souls” ( Garrison Keillor).
A person considered as the perfect embodiment of an intangible quality; a personification: I am the very soul of discretion.
A sense of ethnic pride among Black people and especially African Americans, expressed in areas such as language, social customs, religion, and music.
A strong, deeply felt emotion conveyed by a speaker, a performer, or an artist.
Soul music.

adjective

Of, relating to, or characteristic of black Americans or their culture.
Designed for or controlled by blacks.