Co-
What is Together/With?
(Cooperate, collect, communicate, concert, correlate, etc.)
-Able/ible
What is Able to Be?
(enjoyable, approachable, durable, adorable, etc.)
Semi-
What is Half?
(semicircle, semester, semifinal, semiaquatic, etc.)
Pre/Post
What are Before and After?
(Preview, prediction, postpone, postgraduate, etc.)
Dis-
What is Opposite of/Not?
(Disorganized, discomfort, disengage, dislike, etc.)
-Er/or/eer
(Trainer, doctor, engineer, survivor, etc.)
What is 100?
(Century, centimeter, centenarian, percent, etc.)
Hyper/hypo
(hyperactive, hyperbolic, hypothermia, hypoglycemia, etc.)
Ex-
What is Out?
(Exhale, exit, exclude, etc.)
-Fy
What is to Make or Become?
(Magnify, terrify, personify, nullify, etc.)
Dec-
What is 10?
(Decimal, decade, decagon, December, etc.)
Micro/macro
What are Small and Large?
(Microscope, microorganism, macroscopic, macromolecule, etc.)
Tele-
What is Distant?
(Telephone, telepathy, teleport, etc.)
-Ous
What is Full of? (turns a noun into an adjective)
(Dangerous, prosperous, curious, nutritious, etc.)
Mil-
What is 1,000?
(Millenium, millipede, millimeter, etc.)
What are Above and Below?
(Supernatural, supervisor, superimpose, submarine, subway, subjugate)
Retro-
What is Backward?
(Retroactive, retrograde, retrospective
-Ize
What is to Make/cause to become? (turns a noun/adjective into a verb)
(Magnetize, italicize, familiarize, )
Penta-
What is 5?
(Pentagon, Iambic Pentameter, Pentathlon,)
Inter/Intra
What are Between and Within?
(interpersonal, interact, international, intrapersonal, intravenous, intramural, etc.)