WordRootOriginRoot MeaningWord Meaning
BiologybioGreeklifeThe study of life
AutographautoGreekselfA signature written by a person
TelephoneteleGreekdistantA device for talking over long distances
MicroscopemicroGreeksmallA tool to view small objects
TelescopeteleGreekdistantA device to see far objects
GeographygeoGreekearthThe study of Earth’s surface
ThermometerthermGreekheatA tool to measure temperature
ChronologychronGreektimeArrangement of events in time
PsychologypsychGreekmindThe study of the mind
DemocracydemoGreekpeopleGovernment by the people
SpectatorspecLatinlook/watchA person who watches
VisiblevisLatinseeAble to be seen
AudibleaudLatinhearAble to be heard
DictationdictLatinspeak/sayThe act of saying words aloud to write
ConstructstructLatinbuildTo build or put together
TransportportLatincarryTo carry from one place to another
ProjectjectLatinthrowTo throw forward
RejectjectLatinthrowTo refuse or throw out
InterceptceptLatintake/seizeTo take or stop before arrival
ConductductLatinleadTo lead or guide
AquaticaquaLatinwaterRelated to water
AquariumaquaLatinwaterA tank for water animals
ManualmanuLatinhandDone by hand
Manuscriptmanu/scriptLatinhand/writeA handwritten or typed document
InjectjectLatinthrowTo force into something
MissionmissLatinsendA special duty or task
AdmitmitLatinsend/let inTo allow entry
PedalpedLatinfootA foot-operated lever
PedestrianpedLatinfootA person walking
VocalvocLatinvoiceRelated to the voice
AdvocatevocLatincall/voiceTo support or argue for something
RevivevivLatinliveTo bring back to life
AnimalanimLatinlife/spiritA living organism
FactoryfacLatinmake/doA place where things are made
AffectfectLatinmake/doTo influence something
PortableportLatincarryAble to be carried easily
InspectspectLatinlookTo examine closely
RespectspectLatinlookTo look up to someone
TelescopescopeGreeklook/viewTool to see far away
HoroscopescopeGreeklook/viewA forecast based on stars
BenefitbeneLatingood/wellAn advantage or profit
MalfunctionmalLatinbadFailure to work properly
InterruptruptLatinbreakTo break into something
BankruptruptLatinbreakOut of money; financially broken
SubmitmitLatinsendTo send for review or judgment
PermitmitLatinsendTo allow
InjectionjectLatinthrowA shot of medicine into the body
EmitmitLatinsendTo send out
InvisiblevisLatinseeCannot be seen
RevisitvisLatinseeTo visit again
UnpredictabledictLatinsayCannot be predicted
GeologygeoGreekearthStudy of Earth’s structure
ZoologyzooGreekanimalStudy of animals
Horoscopehoro/scopeGreekhour/lookFuture prediction by star charts
DiametermeterGreekmeasureA line across a circle
PerimetermeterGreekmeasureThe boundary of a shape
ThermostatthermGreekheatA device to control heat
HyperactivehyperGreekoverExtremely active
HypothermiahypoGreekunderLow body temperature
SubmarinesubLatinunderA vessel under water
SuperhumansuperLatinaboveBeyond human ability
ImportportLatincarryTo bring goods in
ExportportLatincarryTo send goods out
SubscriptionscriptLatinwriteA written agreement to receive something
DescribescribeLatinwriteTo write or tell about
Biologybio/logyGreeklife/study ofStudy of living things
Mythologymyth/logyGreekstory/study ofStudy of myths
AstronomyastroGreekstarStudy of stars
AsteroidastroGreekstarA small rocky body orbiting the sun
AudienceaudLatinhearA group that listens
AuditoriumaudLatinhearA place where people listen
PredictdictLatinsayTo say what will happen
VerdictdictLatinsay/speakA decision in court
UniformformLatinshapeSame shape or style
TransformformLatinshapeTo change in shape or form
FracturefractLatinbreakA break, especially in bone
InfractionfractLatinbreakA violation of a rule
TractortractLatinpullA machine that pulls heavy loads
AttracttractLatinpullTo pull toward
VisionaryvisLatinseeA person with original ideas
RevisionvisLatinseeThe act of seeing again or reviewing
TriangletriLatinthreeA shape with three angles
BicyclebiLatintwoA vehicle with two wheels
Hemispherehemi/sphereGreekhalf/ballHalf of a sphere
Monologuemono/logueGreekone/speechA long speech by one person
Dialoguedia/logueGreekthrough/speechConversation between two people
AntisocialantiGreekagainstAgainst social interaction
ProactiveproLatinforwardTaking action ahead of time
ContracttractLatinpullA legal agreement
ExtracttractLatinpullTo pull out
DecadedecGreektenA period of ten years
CenturycentLatinhundredA period of one hundred years
MillimetermilliLatinthousandthOne thousandth of a meter
PolygonpolyGreekmanyA shape with many sides
UnilateraluniLatinoneInvolving one side only
MulticolormultiLatinmanyHaving many colors

Let’s practice!