Underline the stem extenders in the following words:

Philosophy
Somnipathy
Metaphor
Induction
Hypnotic
Anthropology
Pneumectomy
Acrid
Tennons
Extension
Saltpeter
Maternal

4 answers

Let us know what YOU THINK by indicating the stem extenders with capital letters. Then someone will check your work.
Here are two examples:

INducTION

acrID
philosophy: s o y
Somnipathy: o, n, y