As adjectives the difference between precatory and mandatory

is that precatory is expressing a wish while mandatory is obligatory; required or commanded by authority.

As a noun mandatory is

a person, organisation or state who receives a mandate; a mandatary.

As nouns the difference between suggestion and rule

is that suggestion is something suggested (with subsequent adposition being for while rule is a regulation, law, guideline.

As a verb rule is

to regulate, be in charge of, make decisions for, reign over.

As verbs the difference between devoured and guzzled

is that devoured is (devour) while guzzled is (guzzle).

As nouns the difference between morsels and treat

is that morsels is while treat is an entertainment, outing, or other indulgence provided by someone for the enjoyment of others.

As a verb treat is

to negotiate, discuss terms, bargain (for'' or ''with ).

As nouns the difference between host and toastmaster

is that host is one which receives or entertains a guest, socially, commercially, or officially while toastmaster is a person who introduces speakers, and proposes toasts at a formal dinner; a master of ceremonies.

As a verb host

is to perform the role of a host.

As nouns the difference between relationalism and relativism

is that relationalism is (physics) the idea that time and space are not real objects, but merely orderings of real objects while relativism is (uncountable|philosophy) the theory, especially in ethics or aesthetics, that conceptions of truth and moral values are not absolute but are relative to the persons or groups holding them.

As a noun technician is

a person who studies, professes or practices technology.

As nouns the difference between hashish and commandments

is that hashish is the leaves and tender parts of the indian hemp plant (which are intoxicating), which are dried for either chewing or smoking while commandments is .

As verbs the difference between observe and review

is that observe is to notice or view, especially carefully or with attention to detail while review is to survey; to look broadly over.

As a noun review is

a second or subsequent reading of a text or artifact.

As a noun acronym is

an abbreviation formed by (usually initial) letters taken from a word or series of words, that is itself pronounced as a word, such as ram'', ''radar'', or ''scuba ; sometimes contrasted with initialism.