WordCount
Purpose 
Returns a count of the total number of words in text.
Format 
WordCount(text)
Parameters 
text - any text expression or text field
Data type returned 
number
Originated in 
FileMaker Pro 6.0 or earlier
Examples 
WordCount(“The sun is rising.”) returns 4.
WordCount(Letter) returns the total number of words in the Letter field.
Note  Characters such as the ampersand (&) and hyphen (-) can be used to identify the beginning of a new word.
Related topics 
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas