How do I find and replace 'whole words only', in Microsoft Word?

Solution 1:

In the Find and Replace window in the Replace tab, click the More >> button to display more Search Options. After where it says Search: click the dropdown arrow and select All. Put a check mark to the left of where it says: Match case. Put another check mark to the left of where it says: Find whole words only.

In the Find what input box type eat.
In the Replace with input box type Eat.

Click the Replace All button to replace all occurrences of "eat" with "Eat".

enter image description here