How to spell BESIDER correctly?

If you meant to write "beside her", a correct suggestion would be to simply write those two words instead. Another option could be "besides her", which has a slightly different meaning but may still work in the context of your sentence.

• bedder
• bedside I keep my phone charger on my bedside table for easy access in the morning.
• bender After seeing all the beer cans in his trash, it was clear he had gone on a serious bender the night before.
• Beside I sat beside my sister during the movie.
• besides Besides studying for her upcoming exam, she also had to work on a project for school.
• besieger The besieger had no intention of backing down until the city surrendered.
• betide I fear what will betide us if we don't take action now.
• BUSIER I don't have much free time anymore, my schedule keeps getting busier.
• reside

Apsolutly

• absolute
• absolutely
• absolutes
• apostle
• appositely
• aptly
• astutely
• axolotl
• axolotls
• desolately