How to spell SLEECH correctly?

If you meant slime or mucus, the correct spelling is "slime". If you meant a shallow vessel for holding liquids, the correct spelling is "sleech."

• Leech The swimmer found a leech attached to his leg after his swim in the lake.
• Speech She practiced her speech in front of the mirror multiple times before delivering it.

Succssesful

• successful
• successfully
• successively