A base word appears on screen — your job is to tap every word in the list that belongs to the same word family. Does 'joyful' come from 'happy'? No — but 'happiness', 'happily', and 'unhappy' do. Covers Grade 9 common words through SAT-level morphology across 45 questions with 3 difficulty tiers.
Choose a Difficulty
Grade 9 uses common English words with obvious family members. Grade 10 introduces academic vocabulary with more subtle derivations. SAT Prep features advanced words where distractors include etymological cousins that are easy to confuse.
Read the Base Word
A base word appears on screen along with its part of speech and a short definition. Study it carefully — the question is which of the six tiles are genuinely derived from this exact base word.
Tap All Family Members
Select every word that was built by adding a prefix or suffix to the base word. Watch out for synonyms (e.g. 'bravery' for 'courage') and look-alikes — they are not family members even if they share a meaning.
Check and Learn
Hit 'Check' to reveal results. Correct picks turn green, wrong picks turn red, and any family members you missed pulse orange. Use the Morphology hint before checking to see exactly how each family member is formed.
45 Questions Across 3 Difficulty Tiers
Grade 9 covers everyday words like happy, care, and power. Grade 10 introduces academic words like nation, cycle, and attract. SAT Prep challenges you with conform, eloquent, permeate, equivocal, and more — each with carefully chosen distractors.
Pick-All Mechanic — Not Multiple Choice
Six words appear and you must select every one that shares the base word's family. Wrong choices include synonyms (glad, bravery) and etymological cousins (distract, logistics) that look related but are separate word families — you must know your morphology to win.
Morphology Hint: See the Building Blocks
Use a hint to reveal the full morphological breakdown — e.g. 'happiness (–ness) · happily (–ly) · unhappy (un–)'. This teaches you the prefixes and suffixes that build each family member, turning the quiz into a lesson in word formation.
Light Rose Theme — Soft and Inviting
Clean white tiles on a warm rose background make picking word family members feel fresh and approachable — a visual design completely distinct from every other game in the vocab series.
A word family is a group of words all built from the same base word by adding prefixes (un–, re–, dis–) or suffixes (–ness, –ly, –ful, –tion). For example, the 'happy' family includes happiness, happily, unhappy, and unhappiness — they all contain 'happy' as their base. Synonyms like 'glad' or 'joyful' are NOT family members.
Word families are defined by form (shared base word + affixes), not by meaning. 'Bravery' means the same as 'courage', but it's built from a completely different base word. This game teaches you to recognize morphological structure, which helps you decode unfamiliar words in reading.
SAT questions feature advanced base words (eloquent, equivocal, recalcitrant) with distractors that share a Latin or Greek etymological root but have diverged into separate English word families. For example, 'distract' is a tricky distractor for 'attract' — both contain the Latin root 'trahere' (to pull), but they are analyzed as separate English word families.
A perfect round (all correct family members selected, no wrong picks) earns 200 pts (Grade 9), 300 pts (Grade 10), or 400 pts (SAT). Consecutive perfect rounds add a 100-point streak bonus per round after the first. Any wrong selection or missed word earns 0 and resets your streak.
Distractors are either synonyms (words with similar meaning from different bases), etymological cousins (words that share an ancient Latin/Greek root but have become separate English families), or visually similar words. All of these are common mistakes students make when guessing word families.
Absolutely. The SAT tests morphological awareness through vocabulary-in-context questions. Understanding how base words combine with affixes helps you infer meanings of unfamiliar words and choose between near-synonym answer choices. The SAT Prep tier specifically targets high-frequency academic word families tested on the exam.