As proper nouns the difference between street and grace

is that street is while grace is (label) , equivalent to english (grace).

As a proper noun girl

is (astronomy) a chinese constellation located near aquarius, one of the 28 lunar mansions and part of the black turtle.

As an adjective nonbinary is

.

As an adjective certain

is certain.

As a noun concern is

that which affects one's welfare or happiness.

As a verb concern is

(label) to relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.

As adjectives the difference between tactless and stubborn

is that tactless is having no tact; unaware or intentionally inconsiderate of someone else's feelings while stubborn is refusing to move or to change one's opinion; obstinate; firmly resisting.

As verbs the difference between serve and eat

is that serve is to provide a service while eat is to ingest; to be ingested.

As a noun serve

is (sports) an act of putting the ball or shuttlecock in play in various games.

As nouns the difference between warhead and ammunition

is that warhead is the part of a missile, projectile, torpedo, rocket, or other munition which contains either the nuclear or thermonuclear system, high explosive system, chemical or biological agents, or inert materials intended to inflict damage while ammunition is (senseid)articles used in charging firearms and ordnance of all kinds; as powder, balls, shot, shells, percussion caps, rockets, etc.

As a noun likehood

is (obsolete) likelihood.

As a proper noun chance is

, an american pet form of chauncey, in modern usage also associated with the word chance.

As verbs the difference between spared and common

is that spared is (spare) while common is (obsolete) to communicate (something).

As an adjective common is

mutual; shared by more than one.

As a noun common is

mutual good, shared by more than one.

As verbs the difference between commence and ensue

is that commence is to begin, start while ensue is to follow (a leader, inclination etc.).

As a noun car

is friend.

As a verb car

is (lb).

As a proper noun and is

.