Fourth vs Forth: Which is the Correct Spelling?

The words forth and fourth are often confused because they have the same pronunciation but different meanings. But what is the difference?

Forth means forward in time, place or degree when used as an adverb.

Fourth means the ordinal form of the number four when used as an adjective.

A good way to remember the difference is FORth moves FORward.

The Difference Between Forth vs Fourth

Fourth and forth are homophones, which means they sound the same but are spelled differently. This makes it easy to confuse these words.

Fourth is an adjective. It is the ordinal form of the number four and goes between third and fifth.

Forth is an adverb. It means "onward in time or space, way, forward."

What's the right phrase ', and so forth' or ', and so fourth'?

You should use ', and so forth'. These phrases are often confused because they have the same pronunciation but different meanings.

Is the correct expression 'back and forth between' or 'back and fourth between'?

The right expression is 'back and forth between'. These phrases are often confused because of their similar sound.

Should it be 'set forth in the' or 'set fourth in the'?

The right expression is 'set forth in the'. These phrases are often confused because they sound the same.

Which is correct 'and so forth ,' or 'and so fourth'?

The correct expression is 'and so forth ,'. These phrases are often confused because they are homophones.

Is the right expression 'the third and fourth' or 'the third and forth'?

The correct expression is 'the third and fourth'. These phrases are often confused because of their similar sound.

Is the expression 'the fourth and fifth' or 'the forth and fifth'?

The right phrase is 'the fourth and fifth'. These phrases are often confused because they sound similar.

Is the right expression 'the fourth century ,' or 'the forth century'?

You should use 'the fourth century ,'. These phrases are often confused because they sound similar.

Which is correct 'in the fourth century' or 'in the forth century'?

The right expression is 'in the fourth century'. These phrases are often confused because they sound similar.

Some synonyms of forth are: away, forward, off, onward.

Some synonyms of fourth are: four, quarter, quadrant.

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