Comprehensive Guide to Latin and Greek Roots and Affixes
Morphological Prefixes
Re-
Classification: Prefix
Primary Meanings: Back, again
Ex-
Classification: Prefix
Primary Meanings: Out of, from
En-
Classification: Prefix
Primary Meanings: In, on
Per-
Classification: Prefix
Primary Meanings: Through, thoroughly
Di-
Classification: Prefix
Primary Meanings: Apart, not
Con-
Classification: Prefix
Primary Meanings: With
Cognition, Thought, and Communication Roots
Rat
Classification: Root
Primary Meanings: Think
Log
Classification: Root
Primary Meanings: Word, reason, study
Mon
Classification: Root
Primary Meanings: Warn, advise, remind
Physical Action, Spatial, and Positional Roots
Ject
Classification: Root
Primary Meanings: Throw
Dot/dit
Classification: Root
Primary Meanings: Give
Found
Classification: Root
Primary Meanings: Pour, spread out
Medi
Classification: Root
Primary Meanings: Middle, in half
Lin
Classification: Root
Primary Meanings: Line, string, thread
Emotion, Suffering, and Behavioral Roots
Mor
Classification: Root
Primary Meanings: Custom, habit, manner
Path/pathy
Classification: Root / Affix
Primary Meanings: Feeling, suffering