As nouns the difference between mechanism and strategy

is that mechanism is within a machine or machinery; any mechanical means for the conversion or control of motion, or the transmission or control of power while strategy is the science and art of military command as applied to the overall planning and conduct of warfare.

Propel is a synonym of hurl.

As verbs the difference between hurl and propel

is that hurl is to throw (something) with force while propel is to cause to move in a certain direction.

As a noun hurl

is a throw, especially a violent throw; a fling.

As nouns the difference between mechanism and approach

is that mechanism is within a machine or machinery; any mechanical means for the conversion or control of motion, or the transmission or control of power while approach is the act of drawing near; a coming or advancing near.

As a verb approach is

to come or go near, in place or time; to draw nigh; to advance nearer.

As nouns the difference between fire and hurl

is that fire is the sector of the economy including finance, insurance and real estate businesses while hurl is a throw, especially a violent throw; a fling.

As a verb hurl is

to throw (something) with force.

As nouns the difference between script and scripture

is that script is a writing; a written document while Scripture is the Aqdas.

As a verb script

is to make or write a script.

As adverbs the difference between consistently and reliably

is that consistently is in a consistent manner while reliably is in a reliable manner.

As verbs the difference between overcrowd and cram

is that overcrowd is to fill beyond desired limits, with people, animals, objects or information while cram is to ; as, to cram anything into a basket; to cram a room with people.

As a noun cram is

the act of cramming.

As adjectives the difference between prolific and collected

is that prolific is prolific while collected is , emotionally , in focus.

As a verb collected is

(collect).

As a noun cram

is the act of cramming.

As a verb cram

is to ; as, to cram anything into a basket; to cram a room with people.

As an adjective full is

foul, rotten.

As verbs the difference between disapprove and frown

is that disapprove is to condemn; consider wrong or inappropriate while frown is to have a on one's face.

As a noun frown is

a facial expression in which the eyebrows are brought together, and the forehead is wrinkled, usually indicating displeasure, sadness or worry, or less often confusion or concentration.