Fourth vs. Four — What's the Difference?

The ordinal number matching the number four in a series.

The cardinal number equal to 3 + 1.

One of four equal parts.

The fourth in a set or sequence.

A tone four degrees above or below a given tone in a diatonic scale.

Something having four parts, units, or members, such as a musical quartet or a four-cylinder engine.

The interval between two such tones.

A numerical value equal to 4; the number after three and before five; two plus two. This many dots (••••)

The harmonic combination of these tones.

Describing a set or group with four elements.

The subdominant of a scale or key.

(countable) The digit or figure 4; an occurrence thereof.

The transmission gear or gear ratio used to produce forward speeds next higher to those of third in a motor vehicle.

(countable) Anything measuring four units, as length.

Fourth The Fourth of July; Independence Day. Used with the

A person who is four years old.

The ordinal form of the number four.

An event in which the batsmen run four times between the wickets or, more often, a batsman hits a ball which bounces on the ground before passing over a boundary, resulting in an award of 4 runs for the batting team. If the ball does not bounce before passing over the boundary, a six is awarded instead.

(singular) The person or thing in the fourth position.

A power forward.

A quarter, one of four equal parts of a whole.

(rowing) Four-man sweep racing shell, with or without a coxswain.

(singular) The fourth gear of an engine.

The shell itself.

(music) A musical interval which spans four degrees of the diatonic scale, for example C to F (C D E F).

The crew rowing in a four boat.

(informal) To agree with a proposition or statement after it has already been thirded.

(colloquial) A regatta event for four boats.

Next in order after the third; the ordinal of four.

(obsolete) A four-pennyworth of spirits.

Forming one of four equal parts into which anything may be divided.

One more than three; twice two.

One of four equal parts into which one whole may be divided; the quotient of a unit divided by four.

The sum of four units; four units or objects.

The interval of two tones and a semitone, embracing four diatonic degrees of the scale; the subdominant of any key.

A symbol representing four units, as 4 or iv.

One coming next in order after the third.

Four things of the same kind, esp. four horses; as, a chariot and four.

Following the third position; number four in a countable series

The cardinal number that is the sum of three and one

One of four equal parts;

Being one more than three

The musical interval between one note and another four notes away from it

Coming next after the third and just before the fifth in position or time or degree or magnitude;

In the fourth place;