What are 4 letter words with Apostrophe?

Four-letter words with an apostrophe are uncommon and typically contractions or informal terms. Here are some examples:

1. ’tis – A contraction of “it is.”
2. ’twas – A contraction of “it was.”
3. o’er – A poetic contraction of “over.”
4. ’em – A colloquial contraction of “them.”