352 can be spelled in word form as three hundred fifty-two.
To spell large numbers in word form, a helpful guide is to break the number into sections of three digits. This process is known as "chunking" and can make large numbers more manageable.
For example, you could chunk 352 into 300 and 52. This can then be spelled out using words: three hundred and fifty-two.
You can also use convenient online tools and calculators to help with spelling numbers. For example, this calculator from Math Goodies breaks down the number and displays it in word form:
https://www.mathgoodies.com/calculators/number_spell_out.html
You can also use this tool from Math Is Fun to convert any number into words:
https://www.mathsisfun.com/numbers/number-converter.html
Hopefully these tools can help you spell out numbers in word form with ease.