A little curiosity. A world of words.

Discover roots.
Connect words.

Make unfamiliar words feel familiar. Explore prefixes, roots and suffixes, and find the connections that make English vocabulary easier to understand.

Explore the app ↓

iPhone · iPad · 13+

Small steps. Deep roots.

act → action · actor · active · reactOne root. A family of words.

Understand the partsConnect the familyRemember with practice

01 / A LITTLE AHA MOMENT

A long word. A simple idea.

Many English words contain meaningful pieces. Tap a piece and see how it helps explain transport.

WORD X-RAY01 / transport

PREFIX

trans- = across

Moving from one place to another.

↑ Tap a colored piece to discover its meaning.

02 / SEE THE CONNECTIONS

Your vocabulary, with a map.

Three glimpses of Rootory: a daily path, a map of roots, and an entire family around act.

02
Your daily learning path
Choose your difficulty and take the next small step.

03
A world of roots to explore
Unlock root islands in order and see where to go next.

App Store screenshots · Tap to enlarge

Understand, then remember

Word X-Ray connects word structure, meanings, examples and pronunciation.

Practise a little, every day

Save words, revisit them with spaced review, and follow your progress in learning reports.

Explore beyond the word list

Discover car, health and space topics, with Bubble cheering you on along the way.

ROOTORY / GUIDES

Word root guides

Small lessons for understanding English words: explore a root, connect its family, and put the idea into practice.

transport · actor

What is an English word root?

Understand roots, prefixes and suffixes through transport, act and simple word-building examples.

Read guide ↗act · action · actor · active · react

The act word family: action, actor, active and react

Follow act through four related words and practise the difference between a process, a person, a quality and a response.

Read guide ↗react · actor · active · action

Prefixes and suffixes: what is the difference?

Compare re- + act with act + -or and act + -ive to understand where affixes sit and what they contribute.

Read guide ↗action · active

How to learn vocabulary with word roots

A practical ten-minute routine: explore one family, read in context, recall the connections and return for review.

Read guide ↗

All guides →

ROOTORY / FAQ

A few good questions.

support@rootory.app ↗

Does it work offline?

Prefix and suffix basics are bundled. Root families and topics need a first download, then can be studied offline. Account services, syncing and purchase verification require internet.

What is Rootory Plus?

The first three roots are available to guests. Sign in for later roots; Plus is required from the ninth. Monthly, yearly and one-time lifetime options are shown in the app at your local store price.

Which languages are supported?

Rootory offers 12 interface languages. Choose your language in the app; this website provides the same language choices.

Who is Rootory for?

English learners aged 13 or older. Beginner, intermediate and advanced content lets you choose a suitable starting point. Minors need guardian permission where required.

Let your vocabulary take root.

Your next discovery starts with a word.

iPhone · iPad

View on the App Store ↗

Discover roots.Connect words.