Ally vs. Foe

To place in a friendly association, as by treaty

A personal enemy or opponent.

To unite or connect in a personal relationship, as in friendship or marriage.

One who is opposed to an idea or cause

To enter into an alliance

An enemy in war.

One that is allied with another, especially by treaty

Something that is destructive or injurious

One in helpful association with another

(obsolete) Hostile.

An animal that cooperates with another animal of the same species in an alliance.

An enemy.

The nations allied against the Central Powers of Europe during World War I. They were Russia, France, Great Britain, and later many others, including the United States.

A unit of energy equal to 10⁴⁴ joules.

The nations, primarily Great Britain, France, the Soviet Union, and the United States, allied against the Axis during World War II.

One who entertains personal enmity, hatred, grudge, or malice, against another; an enemy.

(transitive)

An enemy in war; a hostile army.

To unite or form a connection between (people or things), as between families by marriage, or between states by confederacy, league, or treaty.

One who opposes on principle; an opponent; an adversary; an ill-wisher; as, a foe to religion.

Chiefly followed by to or with: to connect or form a relation to (someone or something) by similarity in features or nature.

To treat as an enemy.

(reflexive) To join or unite (oneself or itself) against, with, etc., someone or something else.

An armed adversary (especially a member of an opposing military force);

(intransitive) Chiefly followed by with: to enter into an alliance or unite for a common aim.

A personal enemy;

A person who co-operates with or helps another; an associate; a friend.

A person who, or organization which, supports a demographic group subject to discrimination and/or misrepresentation but is not a member of the group; specifically (LGBT), a person who is not a member of the LGBT+ community but is supportive of it.

A person, group, state, etc., which is associated or united by treaty with another for a common (especially military or political) purpose; a confederate.

Something regarded as connected with or related to another thing by similarity in features or nature.

(taxonomy) An organism which is related to another organism through common evolutionary origin; specifically, a species which is closely related to another species, usually within the same family.

(figuratively) A person, group, concept, etc., which is associated with another as a helper; an auxiliary; a supporter.

A kinsman or kinswoman; a relative.

One's relatives; kin, kindred, relations; also, relationship through descent or marriage; kinship.

People, groups, states, etc., which are associated or united with each other for a common purpose; confederates; also, the state of being allied; alliance, confederation.

Alternative spelling of alley

To unite, or form a connection between, as between families by marriage, or between princes and states by treaty, league, or confederacy; - often followed by to or with.

To connect or form a relation between by similitude, resemblance, friendship, or love.

A relative; a kinsman.

One united to another by treaty or league; - usually applied to sovereigns or states; a confederate.

Anything associated with another as a helper; an auxiliary.

Anything akin to another by structure, etc.

See Alley, a marble or taw.

A friendly nation

An associate who provides assistance;

Become an ally or associate, as by a treaty or marriage;