As nouns the difference between sunup and suncup

is that sunup is the time of day when the sun appears above the eastern horizon while suncup is the evening primrose.

As adjectives the difference between widespread and widerspread

is that widespread is affecting a large area (e.g. the entire land or body); broad in extent; widely diffused while widerspread is comparative of widespread.

As verbs the difference between collapse and collapsed

is that collapse is to fall down suddenly; to cave in while collapsed is past tense of collapse.

As a noun collapse

is the act of collapsing.

As verbs the difference between envelope and enveloped

is that envelope is (nonstandard) while enveloped is (envelop).

As a noun envelope

is a paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.

As verbs the difference between envelope and envelops

is that envelope is (nonstandard) while envelops is (envelop).

As a noun envelope

is a paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.

As nouns the difference between envelope and enveloper

is that envelope is a paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing while enveloper is something which envelops.

As a verb envelope

is (nonstandard).

Lira is a descendant of lyra.

As nouns the difference between lyra and lira

is that lyra is the middle portion of the ventral surface of the fornix of the brain; so called from the arrangement of the lines with which it is marked in the human brain while lira is the basic unit of currency in Turkey.

As a proper noun Lyra

is a summer constellation of the northern sky, said to resemble a lyre. It includes the bright star Vega and the Ring Nebula.

As nouns the difference between lyra and eyra

is that lyra is lyre (stringed instrument) while eyra is a slender, reddish-yellow wild cat (felis eyra ) ranging from southern brazil to texas.

As nouns the difference between lyra and lycra

is that lyra is the middle portion of the ventral surface of the fornix of the brain; so called from the arrangement of the lines with which it is marked in the human brain while Lycra is Trademark. A type of synthetic elastic fabric and fibre (spandex) used for tight-fitting garments, such as swimming costumes.

As a proper noun Lyra

is a summer constellation of the northern sky, said to resemble a lyre. It includes the bright star Vega and the Ring Nebula.

As nouns the difference between hydra and hydro

is that hydra is any of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles while hydro is hydroelectric power.

As a proper noun Hydra

is a mythological serpent with seven heads, slain by Hercules as one of his twelve labours. Also called the Lernaean Hydra.

As an adjective hydro is

hydroelectric.