As verbs the difference between espouse and engaged

is that espouse is to become/get married to while engaged is (engage).

As an adjective engaged is

agreed to be married.

As adjectives the difference between exacting and discriminating

is that exacting is making excessive demands; hard to satisfy while discriminating is able to perceive fine distinctions between similar things; perceptive.

As verbs the difference between exacting and discriminating

is that exacting is while discriminating is .

As an adverb carefully

is (lb) sorrowfully.

As an adjective spontaneous is

self-generated; happening without any apparent external cause.

As nouns the difference between dealmakers and investment

is that dealmakers is while investment is the act of investing, or state of being invested.

In computing|lang=en terms the difference between transaction and process

is that transaction is (computing) an atomic operation; a message, data modification, or other procedure that is guaranteed to perform completely or not at all (eg a database transaction) while process is (computing) a task or program that is or was executing.

As nouns the difference between transaction and process

is that transaction is the act of conducting or carrying out (business, negotiations, plans) while process is a series of events to produce a result, especially as contrasted to product.

As a verb process is

to perform a particular process or process can be (mostly british) to walk in a procession.