devout

As a verb obey

is to do as ordered by (a person, institution etc), to act according to the bidding of.

As an adjective devout is

devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious.

As a noun devout is

(obsolete) a devotee.

Devout is a related term of spiritual.

As nouns the difference between devout and spiritual

is that devout is (obsolete) a devotee while spiritual is (christianity|historical) a member of a branch of the franciscan order who advocated simple dress and renounced the owning of property.

As an adjective devout

is devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious.

As adjectives the difference between devout and conscientious

is that devout is devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious while conscientious is thorough, careful, or vigilant; implies a desire to do a task well.

As a noun devout

is a devotee.

As adjectives the difference between devout and righteous

is that devout is devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious while righteous is free from sin or guilt.

As a noun devout

is a devotee.

As a verb righteous is

to make righteous; specifically, to justify religiously, to absolve from sin.

Fervid is a related term of devout.

As adjectives the difference between fervid and devout

is that fervid is intensely hot, emotional, or zealous while devout is devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious.

As a noun devout is

(obsolete) a devotee.

Devout is a related term of strict.

As adjectives the difference between devout and strict

is that devout is devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious while strict is strained; drawn close; tight.

As a noun devout

is (obsolete) a devotee.

Devout is a related term of exact.

As adjectives the difference between devout and exact

is that devout is devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious while exact is precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.

As a noun devout

is (obsolete) a devotee.

As a verb exact is

to demand and enforce the payment or performance of.

As nouns the difference between devout and hathen

is that devout is a devotee while hathen is eye dialect of heathen.

As an adjective devout

is devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious.

As adjectives the difference between negligent and devout

is that negligent is negligent (culpable due to negligence) while devout is devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious.

As a noun devout is

(obsolete) a devotee.

As adjectives the difference between devout and churchy

is that devout is devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious while churchy is piously Christian.

As nouns the difference between devout and churchy

is that devout is a devotee while churchy is one who is piously Christian.