As a noun fire

is the sector of the economy including finance, insurance and real estate businesses.

As a verb pronounce is

to formally declare, officially or ceremoniously.

As verbs the difference between explaining and justifying

is that explaining is while justifying is .

As a noun explaining

is explanation.

As verbs the difference between appoint and confirm

is that appoint is (obsolete|transitive) to fix with power or firmness; to establish; to mark out while confirm is to strengthen; to make firm or resolute.

As an initialism try

is .

As a noun experience is

experiment, trial, test.

As nouns the difference between producer and entrepreneur

is that producer is an individual or organization that creates goods and services while entrepreneur is a person who organizes and operates a business venture and assumes much of the associated risk.

As a verb store

is .

As a noun logistics is

.

As nouns the difference between cellulite and stretchmarks

is that cellulite is the dimpled appearance of skin caused by the protrusion of subcutaneous adipose tissue while stretchmarks is plural of stretchmark.

Cub is a related term of cubic.

As nouns the difference between cubic and cub

is that cubic is a cubic curve while cub is a young fox.

As an adjective cubic

is used in the names of units of volume formed by multiplying a unit of length by itself twice.

As a proper noun Cub is

a member of the Cub Scouts.

As a verb cub is

to give birth to cubs.

As an acronym cub is

cashed up bogan.

As adjectives the difference between keen and calculating

is that keen is showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense while calculating is (especially of a robot) which has the ability to calculate.

As verbs the difference between keen and calculating

is that keen is (rare) to sharpen; to make cold or keen can be to utter a keen while calculating is .

As a noun keen

is a prolonged wail for a deceased person.

As nouns the difference between category and component

is that category is a group, often named or numbered, to which items are assigned based on similarity or defined criteria while component is a smaller, self-contained part of a larger entity. Often refers to a manufactured object that is part of a larger device.

As an adjective component is

making up a larger whole; as a component word.