Aqua

Example: aquarium, aquatic

Aud

Example: audiobook, audience

Auto

Example: autobiography, autograph

Bio

Example: biology, biography

Cent

Example: century, percent

Chron

Example: chronological, chronic

Cir/circum

Example: circumference, circumstance, circular

Duc/duct

Example: deduce, produce, educate

Form

Example:formation, format

Geo

Example:geography, geology

Graph

Example:autograph, graphic

Hetero

Example:heteronym, heterogeneous

Homo

Example:homonym, homogeneous

Logy

Example: biology, zoology

Mal

Example: malfunction,malpractice,maleficence

Meter/metr

Example: thermometer, perimeter

Micro

Example:microscope,microphone

Mono

Example: monologue, monotonous

Multi

Example: multimedia, multitask

Photo

Example: photograph, photosynthesis

Port

Example: import,transportation

Scope

Example: microscope, telescope

Spect

Example: Inspection, Spectator

Tell

Example: Television, Telephone

Vid/Vis

Example: Visual, Video