How to spell SUBSTITUION correctly?

If you find yourself misspelling "substituion", fret not, for there are several correct suggestions for this word. It could be "substitution", which refers to the act of replacing something or someone. Alternatively, "substituent" could be appropriate, meaning a part of a chemical compound that can be replaced by another group.

• substation
• substitution I cannot eat dairy, so I use almond milk as a substitution in my coffee.

Ponnies

• panniers
• pennies
• peonies
• pones
• ponies