Sem is a conjunction of same.

As an adjective same

is not different or other; not another or others; not different as regards self; selfsame; identical.

As a pronoun same

is the identical thing, ditto.

As an adverb same

is together.

As a proper noun Same

is a district capital of Manufahi District in East Timor.

As a noun sem is

abbreviation of lang=en.

As an abbreviation Sem is

semitic.

As an initialism SEM is

scanning electron microscope.

As nouns the difference between augend and increase

is that augend is (arithmetic) a quantity to which another is added while increase is an amount by which a quantity is increased.

As a verb increase is

(of a quantity) to become larger.

As verbs the difference between polarize and divide

is that polarize is to cause to have a polarization while divide is to split or separate (something) into two or more parts.

As a noun divide is

a thing that divides.

As nouns the difference between pepper and robot

is that pepper is a plant of the family Piperaceae while robot is a machine built to carry out some complex task or group of tasks, especially one which can be programmed.

As a verb pepper

is to add pepper to.

As verbs the difference between tantamount and amounting

is that tantamount is (obsolete) to amount to as much; to be equivalent while amounting is .

As a noun tantamount

is (obsolete) something which has the same value or amount (as something else).

As an adjective tantamount

is equivalent in meaning or effect.

As nouns the difference between produce and productivity

is that produce is items produced while productivity is the state of being productive, fertile or efficient.

As a verb produce

is to yield, make or manufacture; to generate.

As nouns the difference between cookie and lion

is that cookie is (label) a small, flat, baked cake which is either crisp or soft but firm (often with chocolate chips, candies or nuts mixed in) while lion is net, web.

As a verb lion is

fill.

As nouns the difference between efficiency and efficientness

is that efficiency is the extent to which time is well used for the intended task while efficientness is the quality of being efficient; efficiency.

As nouns the difference between trematodes and cestodes

is that trematodes is while cestodes is .

As nouns the difference between bitter and arcid

is that bitter is (usually in the plural bitters) a liquid or powder, made from bitter herbs, used in mixed drinks or as a tonic while arcid is (zoology) any of the arcidae; an ark shell.

As an adjective bitter

is having an acrid taste (usually from a basic substance).

As a verb bitter

is to make bitter.