Noun
(linguistics) the form of a word after all affixes are removed
Source: WordNetI believe Love is the most courageous act of which a human being is capable. The word courage even stems from the root word "heart” (coeur). Scientifically speaking, it is quantifiable only by recognition of its quality. Vanna Bonta
Scared and sacred are spelled with the same letters. Awful proceeds from the same root word as awesome. Terrify and terrific. Every negative experience holds the seed of transformation. Alan Cohen
thematic vowels are part of the stem Source: Internet