If you want the dictionary definition, just double click on any word.
ointment
vs
ornament

Ointment (uncountable noun) is a smooth oily substance that is rubbed on the skin for medicinal purposes.

For example:-

The doctor told me to apply the ointment to the wound twice a day.

An ornament (countable noun) is is something used purely for decoration, it has no practical purpose

For example:

The Spirit of Ecstasy is the bonnet ornament on Rolls-Royce cars.

For Hermine