Words Containing RO

100 words

The 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

4

4-letter words

14

5-letter words

23
View all 23

6-letter words

14

7-letter words

21

8-letter words

11

9-letter words

5

10-letter words

5

11-letter words

2

12-letter words

1

Pattern 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

Nouns
68%
Verbs
7%
Adjectives
22%
Adverbs
3%
Other
0%

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)

ZERO

indicating the absence of any or all units under consideration

13 pts
ROUX

a mixture of fat and flour heated and used as a basis for sauces

11 pts
FROW
10 pts

Medium (5-7)

FROWZY

negligent of neatness especially in dress and person; habitually dirty and unkempt

24 pts
HYDROXY

being or containing a hydroxyl group

24 pts
ROZZER
24 pts

Long (8+)

HYDROCHLOROTHIAZIDE

a diuretic drug (trade name Microzide, Esidrix, and HydroDIURIL) used in the treatment of hypertension

44 pts
PARATHYROIDECTOMIZED
43 pts
ANTHROPOMORPHIZATION
41 pts
ANTHROPOMORPHIZING
40 pts

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)

WROTEStarter
ROUTEStarter

an established line of travel or access

ROADSStarter

a partly sheltered anchorage

ROOTSStarter

the condition of belonging to a particular place or group by virtue of social or ethnic or cultural lineage

Common Words (likely answers)

WRONGCommon

that which is contrary to the principles of justice or law

FRONTCommon

the side that is forward or prominent

THROWCommon

cause to go on or to be engaged or set in operation

BROKECommon

lacking funds

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

Longest

ADRENOCORTICOTROPHIC20 letters
ADRENOCORTICOTROPHIN20 letters
ANTHROPOMORPHIZATION20 letters
ELECTROCARDIOGRAPHIC20 letters

Shortest

BRO3 letters
FRO3 letters
PRO3 letters
ROB3 letters

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

the performance of stunts while in flight in an aircraft

AILERON

an airfoil that controls lateral motion

ANAEROBIC

living or active in the absence of free oxygen

"anaerobic bacteria"

ANHYDROUS

without water; especially without water of crystallization

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.