nostalgia

As a noun nostalgia

is nostalgia.

As a proper noun hope is

from the virtue, like faith and charity first used by puritans.

As nouns the difference between nostalgia and nostalgiac

is that nostalgia is nostalgia while nostalgiac is a nostalgic person.

As nouns the difference between costalgia and nostalgia

is that costalgia is pain in the ribs, or the costal muscles while nostalgia is nostalgia.

As a noun nostalgia

is a longing for home or familiar surroundings; homesickness.

As an adjective sentimental is

characterized by sentiment, sentimentality or excess emotion.

As a noun nostalgia

is nostalgia.

As an adjective nocturnal is

primarily active during the night.

As nouns the difference between nostalgia and sentiment

is that nostalgia is a longing for home or familiar surroundings; homesickness while sentiment is a general thought, feeling, or sense.

As nouns the difference between hauntology and nostalgia

is that hauntology is in Derridan philosophy, the paradoxical state of the spectre, which is neither being nor nonbeing while nostalgia is a longing for home or familiar surroundings; homesickness.

As a noun nostalgia is

nostalgia.

As a noun nostalgia

is nostalgia.

As a verb nostalgize is

to treat nostalgically.