How to spell EFEFCTIVE correctly?

If you find yourself misspelling "efefctive", don't fret! Possible correct suggestions could be "effective", "efficient" or "efficacious". These words not only ensure accurate spelling but also embody the qualities of being capable and successful in achieving desired results.

• defective The defective product was returned to the store for a refund.
• effective Your new strategy is effective.
• elective I was able to choose an elective course for my second semester of college.

Intertubing

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