As nouns the difference between protuberance and convex

is that protuberance is lump, protuberance while convex is any convex body or surface.

As an adjective convex is

curved or bowed outward like the outside of a bowl or sphere or circle.

As nouns the difference between seagulls and gulls

is that seagulls is plural of seagull while gulls is plural of gull.

As a verb gulls is

third-person singular of gull.

As a proper noun Gulls is

a nickname of Torquay United F. C., a football club from Torquay, England.

As nouns the difference between gray and gre

is that gray is an achromatic colour intermediate between black and white while gre is obsolete form of lang=en.

As an adjective gray

is having a color somewhere between white and black, as the ash of an ember.

As a verb gray

is to become gray.

As a proper noun Gray

is {{surname|from=nicknames}}; originally a nickname for someone with a gray beard or hair.

As nouns the difference between identity and recognition

is that identity is sameness, identicalness; the quality or fact of (several specified things) being the same while recognition is the act of recognizing or the condition of being recognized.

As nouns the difference between pathology and pathologies

is that pathology is (medicine) the branch of medicine concerned with the study of the nature of disease and its causes, processes, development, and consequences while pathologies is .

As adjectives the difference between assident and incident

is that assident is (medicine) of a symptom, generally, but not always, accompanying a disease; indicative of the presence of a disease but not a necessary occurrence in conjunction with that disease while incident is arising as the result of an event, inherent.

As a noun incident is

an event or occurrence.

As a noun confirmation

is confirmation.

As a verb confirming is

.

As nouns the difference between blowup and leave

is that blowup is an explosion, or violent outburst while leave is the action of the batsman not attempting to play at the ball.

As a verb leave is

To have a consequence or remnant.