Root Words
Suffixes
Prefixes
Syllables
Vocabulary-Resources
100

uncomfortable

comfort

100

joyful

ful

100

uncommon

un

100

dog

one

100

This object contains definitions.

Dictionary

200

unlikely

like

200

breakable

able

200

discontinue

dis

200

common

two

200

A book or electronic resource that lists words in groups of synonyms and related concepts.

thesaurus

300

unacceptable

accept

300

lonliness

ness

300

preheat

pre

300

lunch

one

300

A list found at the beginning of a document, book, or report that outlines chapters, sections, or subsections along with their corresponding page numbers

Table of Contents

400

joyful

joy

400

apartment

ment

400

unlikely

un

400

alligator

four

400

A book or set of books giving information on many subjects or on many aspects of one subject and typically arranged alphabetically.

Encyclopedia

500

beautiful

beauty

500

modest

est

500

dislike

dis

500

elephant

three

500

A collection of maps; it is typically a bundle of maps of Earth or of a continent or region of Earth.

Atlas