How to spell SPONSORCE correctly?

If you meant "sponsorship", please use that word instead. Otherwise, "sponsor" may be the correct spelling. Alternatively, you could use words with similar meanings like support, endorse or backer.

• sponsor The company agreed to sponsor the charity event to show their support for the community.
• sponsors The company's sponsors were eager to see the success of their product launch.

Ponnies

• panniers
• pennies
• peonies
• pones
• ponies