How to spell MANYFFOLD correctly?

The correct spelling of "manyffold" is actually "manifold". It means multiple or various and is often used in engineering and mathematics. Other possible suggestions could be "multiplicity", "diverse" or "numerous".

• manifold The benefits of exercise are manifold, including improved heart health, increased energy levels, and reduced stress.
• manyfold My hope is that this will be manyfold multiplied through the participation of others.

Intertubing

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