How to spell UMBRELLES correctly?

The correct spelling for "umbrelles" is "umbrellas". If someone misspells it, you can suggest using spellcheck or checking a dictionary. Additionally, you may want to advise them to sound out the word or use a mnemonic device, such as "ELLA" for "umbrella".

• umbrella I always carry an umbrella when it's raining.
• umbrellas Everyone brought umbrellas to the outdoor concert because the forecast called for possible rain.

Intertubing

• antedating
• entertain
• entertainer
• entertaining
• inditing
• inner-tubing
• intertwine
• interurban
• intuiting
• undertaking