noun / verb / adjective
substitute
SUB-stih-toot/ˈsʌbstɪtuːt/
A person or thing that takes the place of another.
The substitute teacher leads the class while the regular teacher is away.

Etymology
The combination of “under” and “set up” formed a verb meaning “put in another’s place.” A substitute is the person or thing placed in that replacement role.
In context
carob is from the pea family its seeds are dried roasted and ground into carob powder which is used as a chocolate substitute
More examples
- You can substitute oil for butter in this recipe.
- A substitute teacher led the class.
- There is no easy substitute for careful practice.
Forms
substitute · substitutes · substituted · substituting
substitution noun — the replacement of one thing with another
Similar words
- replacement
- Usually something installed after another is removed.
- alternative
- Another available choice, not necessarily used in place of something.