Morphology Unit 5: Unique Prefixes & One Who/That Which Suffixes
- Jackie K.
- Jan 20
- 3 min read
Power-Hitters
While re-, con-, and en/em- are not connected by meaning, they're prevalent in everyday language and fairly literal. The one who/that which suffixes, -er/or, -ee, -ist, -ant/ent are all of the above: common, literal, and connected by meaning. While the definition given by IMSE is "one who/that which" I often use the wording "a person who/a thing that" as it's more relatable for high schoolers. Note that the other meaning of -er/or was taught during the Inflectional Suffixes Unit.
As mentioned in my last Interactive Unit Guide, I think teaching suffixes according to their derivations, rather than their abstract definitions,

is more meaningful for students. When planning this curriculum, I asked myself, "What do I actually do in real life? What is realistic for students to do?" I realized that when I came across a word with -ion, for example, I rarely thought, "Oh, this is the state of...". No. I thought, "Okay, this is some kind of thing." That at least gets me in the ballpark, and I think with students, that's my goal. Let's get them in the ballpark when trying to define an unfamiliar word, because honestly, that's what's realistic. If they can at least say, "Yup, I'm pretty sure it's a thing [or action or descriptive]," then they can get the gist of the sentence.
You can grab the printable Unit Plan here. While students work independently, I use this time to provide targeted phonemic awareness instruction. Below is the Interactive Unit Plan where you can find tons of helpful links. Note that I combined some of the activities into one packet to streamline the lessons. Perhaps you'd like all the activities for fraction of the price? Go here!
Unique Prefixes and One Who/That Which Suffixes Mastery Goal:
Define and identify
morphemes re-, con-, and en/em-, -er/or, -ee, -ist, -ant/ent
Day | Blog Posts | The PDFs | Objectives | |
tool | None | Provide the instructor with a bank of words for instruction. | ||
1 | Review morphemes to build automaticity. | |||
2-3 | Use inquiry to develop shared definitions of targeted morphemes. | |||
4-5 | Identify, define, and analyze terms with targeted morphemes using morphemic segmentation. | |||
5 | How to: Play Online Games | Enhance comprehension of key vocabulary through word generation, comparison, and contextual application in a competitive format. | ||
6-8 | Review morphemes to build automaticity. Apply context clues and morphological knowledge to complete cloze sentences. Enhance comprehension of key vocabulary with targeted morphemes through word generation, morphological comparison, and contextual application. | |||
9 | Define vocabulary terms in a competitive format. | |||
10-11 | Apply morphemic segmentation to identify, define, and analyze words with targeted morphemes as they appear in a passage. | |||
12 | Generate concise definitions (1–2 words) for vocabulary terms containing targeted morphemes | |||
13 | Review content in preparation for the quiz. | |||
14 | How To: Morphology Quizzes | Assess understanding of the unit objective. | ||
Daily | How To: Phonemic Awareness | None | Develop phonemic awareness. | |
Any | None | Apply morphological knowledge to build words. | ||



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