The term 'Gospel' is a central concept in many religions, and the crossword solutions for it reflect this. CERTAINTY (9 letters) is a feeling of assurance that something is true or real, which is often associated with religious beliefs. RELIGION (8 letters) is a set of beliefs and practices concerning the divine and spiritual matters. DOCTRINE (8 letters) is a set of teachings or beliefs held by a RELIGION. Truth (5 letters) is the quality of being in accord with FACT or reality. FACT (4 letters) is a thing that is known or proved to be true. TRUISM (6 letters) is an obvious truth that is expressed as a statement or maxim. DOGMA (5 letters) is a principle or set of principles laid down by an authority as incontrovertibly true. EVANGEL (7 letters) is a person who preaches the gospel. All of these words are related to the concept of Gospel, and together they provide a comprehensive understanding of its meaning.