The general term for an assistant is a sidekick.

There are many facts to consider in an investigation which is called the particulars.

Learning English in rhythm is very poetic.

If you don't plan your goals, your dreams will be sporatic.

When it snows in May it's quite a rarity.

In front of your foot are 5 appendages called your toes.

A game of chance using a bouncing ball and wheel is called roulette.

When you maintain a certain function, you sustain it. 

A specific direction of action for the public to be aware of is called a manifesto.

Something that occurs after the appropriate time is called late.