As a letter a

is the letter a with a tilde.

As a verb chair is

.

As verbs the difference between appease and reduce

is that appease is to make quiet; to calm; to reduce to a state of peace; to dispel (anger or hatred) while reduce is to bring down the size, quantity, quality, value or intensity of something; to diminish, to lower, to impair.

As nouns the difference between physiology and learning

is that physiology is a branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved while learning is an act in which something is learned.

As a verb learning is

present participle of lang=en.

As nouns the difference between procurer and whoremonger

is that procurer is a person who procures or obtains things, especially one who procures customers for prostitutes while whoremonger is (british|vulgar) a frequent customer of whores.

As adjectives the difference between analytical and empirical

is that analytical is of or pertaining to analysis; resolving into elements or constituent parts; as, an analytical experiment while empirical is pertaining to or based on experience.

As nouns the difference between turnaround and crises

is that turnaround is the act of turning to face in the other direction while crises is plural of lang=en.

As a noun category

is a group, often named or numbered, to which items are assigned based on similarity or defined criteria.

As a verb catastrophe is

.

As nouns the difference between topography and geology

is that topography is a precise description of a place while geology is the science that studies the structure of the earth (or other planets), together with its origin and development, especially by examination of its rocks.

As nouns the difference between role and relevancy

is that role is a character or part played by a performer or actor while relevancy is (legal|scotland) sufficieny (of a statement, claim etc) to carry weight in law; legal pertinence.

As nouns the difference between cord and chords

is that cord is cord, line while chords is .

As a verb cord

is agree.