Skip to content
WordPith

TOEFL / IELTS / PTE root words: 143 roots to know

This list is for english-language test candidates. It covers the 143 roots behind the 417 words in WordPith's TOEFL / IELTS pack, most-used first. Learn a root once and you can work out every word it builds.

-IFIC

“making” · an English suffix

certificate, clarification, classification, justification and 2 more

-DOX

“opinion, belief” · Greek

paradox, orthodox, heterodox

INCID

“fall upon” · Latin

coincidence, incidence, coincidental

RELAT

“carried back” · Latin

correlation, relative, correlate

CREDIT

“a thing entrusted” · Latin

accreditation, creditor

GENE

“kind, birth” · Greek

heterogeneous, homogeneous

HETERO

“other, different” · Greek

heterodox, heterogeneous

HIER

“sacred” · Greek

hierarchy, hierarchical

IENCY

“the quality of” · an English suffix

sufficiency, deficiency

ROS

“gnaw” · Latin

corrosion, erosion

STRAINT

“a drawing tight” · French

constraint, restraint

SUMPT

“taken up” · Latin

assumption, consumption

THET

“placed, put” · Greek

hypothetical, antithetical

AFTER

“following” · Old English

aftermath

AGR

“a field” · Latin

agrarian

ALTER

“the other of two” · Latin

alteration

ANDA

“things to be done” · an English suffix

propaganda

ANGUL

“a corner” · Latin

triangular

AQUI

“water” · Latin

aquifer

ARCHITECT

“a chief builder” · Greek

architecture

ARCHIV

“a public record office” · Greek

archive

ATURE

“the result of” · an English suffix

curvature

ATUS

“a thing prepared” · an English suffix

apparatus

AUGMENT

“increase” · Latin

augmentation

AUTHOR

“originator, maker” · Latin

authorize

AUXILI

“help” · Latin

auxiliary

BATE

“beat” · French

debate

BOTAN

“a plant, a herb” · Greek

botanical

BUST

“burn” · Latin

combustion

CALEND

“the first day of the month” · Latin

calendar

CAPAC

“able to hold” · Latin

capacity

CAPITAL

“of the head” · Latin

capitalize

CARTO

“a map, a leaf of paper” · Greek

cartography

CELER

“swift” · Latin

accelerate

CELL

“a small room” · Latin

cellular

CENSOR

“an assessor of morals” · Latin

censorship

CEREMONI

“a sacred rite” · Latin

ceremonial

CHAPT

“head” · Latin

chapter

CHARISMAT

“a favour, a gift” · Greek

charismatic

CHEM

“alchemy” · Arabic

chemical

That's the first 40 of 143 roots. The full TOEFL / IELTS pack, with all 417 words as puzzles, is in the WordPith app.

Practise the TOEFL / IELTS roots as daily puzzles

WordPith is a daily word puzzle: you get root tiles, you build the word. Free on Android, coming soon.

Coming soon to Google Play