As nouns the difference between third and twothirds

is that third is the person or thing in the third position while twothirds is (nonstandard) two thirds; the amount or proportion corresponding to two out of three.

As an adjective third

is the ordinal form of the cardinal number three; coming after the second.

As a verb third

is to agree with a proposition or statement after it has already been.

As nouns the difference between proportion and twothirds

is that proportion is proportion while twothirds is (nonstandard) two thirds; the amount or proportion corresponding to two out of three.

In graph theory terms the difference between bridge and bridgeless

is that bridge is an edge which, if removed, changes a connected graph to one that is not connected while bridgeless is having no bridges.

As a noun bridge

is a construction or natural feature that spans a divide.

As a verb bridge

is to be or make a bridge over something.

As an adjective bridgeless is

that cannot be bridged.

As adjectives the difference between beholden and unbeholden

is that beholden is obligated to provide, display, or do something for another; bound by moral obligation; indebted; obliged while unbeholden is not beholden.

As a verb suppress

is to put an end to, especially with force, to crush, do away with; to prohibit, subdue.

As an adjective unsuppressed is

not suppressed.

As a noun nepotism

is the favoring of relatives or personal friends because of their relationship rather than because of their abilities.

As an adjective antinepotism is

opposing or preventing nepotism.

As nouns the difference between primary and backland

is that primary is a primary election; a preliminary election to select a political candidate of a political party while backland is land that lies behind or beyond some primary settlement or development.

As an adjective primary

is the first in a group or series.

As a verb primary

is (us|intransitive) to take part in a primary election.

As nouns the difference between settlement and backland

is that settlement is the state of being settled while backland is land that lies behind or beyond some primary settlement or development.

As nouns the difference between development and backland

is that development is (uncountable) the process of developing; growth, directed change while backland is land that lies behind or beyond some primary settlement or development.

As a proper noun short

is .

As a noun minilecture is

a short lecture.