nostalgia

As nouns the difference between nostalgia and madness

is that nostalgia is nostalgia while madness is the state of being mad; insanity; mental disease.

As nouns the difference between dog and nostalgia

is that dog is a mammal, canis lupus familiaris , that has been domesticated for thousands of years, of highly variable appearance due to human breeding while nostalgia is nostalgia.

As a verb dog

is to pursue with the intent to catch.

As a noun nostalgia is

nostalgia.

As a noun nostalgia

is nostalgia.

As a verb yearn is

to long, have a strong desire (for something) or yearn can be (scotland) to curdle, as milk.

Otodynia is likely misspelled.

Otodynia has no English definition.

As a noun nostalgia is

a longing for home or familiar surroundings; homesickness.

As nouns the difference between remorse and nostalgia

is that remorse is a feeling of regret or sadness for doing wrong or sinning while nostalgia is a longing for home or familiar surroundings; homesickness.

As nouns the difference between predilection and nostalgia

is that predilection is predilection while nostalgia is nostalgia.

As nouns the difference between nostalgia and mnemonic

is that nostalgia is nostalgia while mnemonic is anything (especially something in verbal form) used to help remember something.

As an adjective mnemonic is

of or relating to mnemonics: the study of techniques for remembering anything more easily.