Words Containing RO
100 wordsThe RO combination appears throughout English, from simple words like PRO and BRO to medical behemoths that dominate Scrabble boards. This collection spans cooking terminology, scientific vocabulary, and everyday language—offering strategic options for word game players at every skill level.
3-letter words
44-letter words
145-letter words
236-letter words
147-letter words
218-letter words
119-letter words
510-letter words
511-letter words
212-letter words
1Pattern Guide
Insights and recommendations for these words.
RO words reward players who balance accessibility with ambition. The pattern offers reliable short plays and spectacular long-word opportunities.
Vocabulary & Language
Linguistic patterns and usage statistics
RO frequently appears in words borrowed from Romance languages, carrying meanings related to rotation, strength, and process. The Latin root 'rotare' (to turn) gives us rotate, rotor, and rotund. Greek contributions often involve scientific terminology—words ending in '-trophic' or '-tropic' that describe growth and movement patterns. The combination also anchors common prefixes like 'pro-' (forward) and 'retro-' (backward).
Total Words
7,913
2.6% of dictionary
Avg Length
10.1 letters
3.5 syllables
Top Scrabble
HYDROCHLOROTHIAZIDE
44 points
Longest Word
ADRENOCORTICOTROPHIC
20 letters
Parts of Speech
This pattern skews heavily toward nouns at 69%, with adjectives claiming 23%—reflecting the scientific and technical vocabulary that dominates longer RO words. The average length of 10.1 letters sits well above typical dictionary averages, suggesting RO attracts complex compound terms rather than simple everyday words.
Middle English leads the etymological contributors, reflecting how RO words entered English during its formative centuries. Latin and French follow closely, often through the same borrowing chains—CAVALERO traces from Portuguese through Late Latin's 'caballārius,' showing how Romance languages passed vocabulary back and forth before English absorbed it. The strong Ancient Greek presence reflects scientific terminology adopted during the Renaissance.
Word Games
High-value words for board games
Short (2-4)
indicating the absence of any or all units under consideration
a mixture of fat and flour heated and used as a basis for sauces
Medium (5-7)
negligent of neatness especially in dress and person; habitually dirty and unkempt
being or containing a hydroxyl group
Long (8+)
a diuretic drug (trade name Microzide, Esidrix, and HydroDIURIL) used in the treatment of hypertension
Short (2-4)
Medium (5-7)
negligent of neatness especially in dress and person; habitually dirty and unkempt
Long (8+)
ZERO scores identically in both games at 13 points, making it a reliable play anywhere. ROUX jumps from 11 points in Scrabble to 12 in Words With Friends—a small but meaningful difference when board position matters. The real divergence appears in longer words: ANTHROPOMORPHIZATION scores 41 in Scrabble but climbs to 44 in WWF, rewarding players who memorize these medical and scientific terms.
Wordle
5-letter words for daily puzzles
Good Starters (E, A, R, S, T)
WROTE and ROUTE both test the common vowels O and E while checking frequent consonants. ROUTE has the edge for vowel coverage with three vowels, while WROTE confirms the high-frequency W and T positions.
Length Extremes
Longest and shortest valid words
Short RO words like BRO, FRO, and PRO survive as fragments of longer terms or informal speech. The pattern's extreme length comes from scientific nomenclature—medical compounds like HYDROCHLOROTHIAZIDE stack Greek and Latin roots into single unwieldy terms.
Hidden Gems
Rare but valid words to surprise opponents
AEROBATICS describes the performance of stunts while in flight—think barrel rolls and loop-the-loops. Beyond its vivid meaning, it scores well with its balanced mix of common letters and offers a memorable play when you're holding that awkward combination of vowels.
Popular crossword answers
Words frequently used in crossword puzzles with common clues.