compansion

As a letter s

is the letter s with a.

As a noun compansion is

companding.

As a proper noun mercy

is , one of the less common puritan virtue names.

As a noun compansion is

companding.

As nouns the difference between compansion and contrast

is that compansion is companding while contrast is (label) a difference in lightness, brightness and/or hue between two colours that makes them more or less distinguishable.

As a verb contrast is

to set in opposition in order to show the difference or differences between.

As nouns the difference between terms and compansion

is that terms is while compansion is companding.

As a noun compansion

is companding.

As a verb accompany is

to go with or attend as a companion or associate; to keep company with; to go along with.

As nouns the difference between compansion and companion

is that compansion is companding while companion is a friend, acquaintance, or partner; someone with whom one spends time or keeps company.

As a verb companion is

to be a companion to; to attend on; to accompany.

As nouns the difference between compansion and compassion

is that compansion is companding while compassion is deep awareness of the suffering of another, coupled with the wish to relieve it.

As a verb compassion is

(obsolete) to pity.

As nouns the difference between companding and compansion

is that companding is a process in which noise in a signal is reduced by selective compression and expansion while compansion is companding.