7-letter words with O as the 3rd letter and B as the 4th letter
7-letter words with O as the 3rd letter and B as the 4th letter number 57, including familiar picks like PROBLEM and high-scoring KNOBBLY.
3 of 57 are everyday words (5%). Mostly rare words: great for Scrabble, tough for daily puzzles.
With O in 3rd place, T is the most common 4th letter (226 words). The bar under each letter shows the size of its list.
Best words to play first
- PROBLEM13
- PROBING12
- PROBATE11
- PHOBIAS14
- PROBITY14
- NIOBIUM11
- CLOBBER13
- SLOBBER11
- GLOBOSE10
- GOOBERS10
- KNOBBLY18
- KNOBBED16
- GLOBULE10
- ISOBARS9
- DOOBIES10
- BAOBABS13
- NIOBATE9
- PHOBICS16
- BOOBOOS11
- PROBERS11
- BLOBBED14
- KNOBBER15
- KNOBBLE15
- PROBAND12
- BOOBISH14
- LOOBIES9
- ANOBIID10
- BOOBIRD12
- BOOBOOK15
- CHOBDAR15
- DIOBOLS10
- GLOBATE10
- GLOBING11
- GLOBINS10
- GLOBOID11
- GLOBOUS10
- GOOBIES10
- ISOBARE9
- ISOBASE9
- ISOBATH12
- LOOBIER9
- LOOBILY12
- NIOBITE9
- NIOBOUS9
- NOOBIES9
- PHOBISM16
- PHOBIST14
- POOBAHS14
All valid words 57
- ANOBIID10
- BAOBABS13
- BLOBBED14
- BOOBIES11
- BOOBING12
- BOOBIRD12
- BOOBISH14
- BOOBOOK15
- BOOBOOS11
- CHOBDAR15
- CLOBBER13
- DIOBOLS10
- DOOBIES10
- GLOBATE10
- GLOBING11
- GLOBINS10
- GLOBOID11
- GLOBOSE10
- GLOBOUS10
- GLOBULE10
- GOOBERS10
- GOOBIES10
- ISOBARE9
- ISOBARS9
- ISOBASE9
- ISOBATH12
- KNOBBED16
- KNOBBER15
- KNOBBLE15
- KNOBBLY18
- LOOBIER9
- LOOBIES9
- LOOBILY12
- NIOBATE9
- NIOBITE9
- NIOBIUM11
- NIOBOUS9
- NOOBIES9
- PHOBIAS14
- PHOBICS16
- PHOBISM16
- PHOBIST14
- POOBAHS14
- PROBALL11
- PROBAND12
- PROBANG12
- PROBATE11
- PROBERS11
- PROBING12
- PROBITS11
- PROBITY14
- PROBLEM13
- SLOBBER11
- STOBBED12
- SWOBBED15
- SWOBBER14
- WOOBUTS12
Highest-scoring words
| Word | Scrabble | Words With Friends | Dictionaries |
|---|---|---|---|
| KNOBBLY | 18 | 21 | All three |
| KNOBBED | 16 | 19 | All three |
| PHOBICS | 16 | 18 | All three |
| PHOBISM | 16 | 18 | Collins only |
| KNOBBER | 15 | 18 | Collins only |
| KNOBBLE | 15 | 19 | Collins only |
| SWOBBED | 15 | 17 | All three |
| BOOBOOK | 15 | 17 | Collins only |
| CHOBDAR | 15 | 16 | Collins only |
| PHOBIAS | 14 | 15 | All three |
| PROBITY | 14 | 15 | All three |
| BLOBBED | 14 | 18 | All three |
The fixed pattern is _ _ O B _ _ _, so the clue narrows the search before you consider meaning or word endings. PROBLEM, PROBING and PROBATE are recognizable examples, but only 3 entries in the set qualify as common by frequency. The rest lean toward specialist terms, inflections and less familiar forms.
7-letter words with O as the 3rd letter and B as the 4th letter
- Exactly 57 tournament-dictionary words fit _ _ O B _ _ _.
- PROBLEM, PROBING and PROBATE are among the recognizable entries.
- Initial P is the largest group, with 14 words; G follows with 9.
- Final S dominates: 19 words end in S, compared with 9 ending in E.
- KNOBBLY leads the score list at 18; KNOBBED and PHOBICS each score 16.
Which words are familiar, and how do they end?
PROBLEM, PROBING, PROBATE and PROBITY show how often this pattern begins with PROB; P accounts for 14 of the 57 matches. That concentration gives you a sensible first branch when solving: test a P at the start if the crossing letters allow it, then distinguish a familiar base word from a related form.
Other starts diversify the set: G contributes 9, B contributes 8, and N contributes 5. CLOBBER, SLOBBER, GLOBULE and NIOBIUM show the pattern can lead into very different word families. Endings offer another filter: 19 finish in S, while E and D account for 9 and 8 each.
Use a confirmed final tile before sorting by first letter.
Do not treat matching letters as proof of an everyday word: PROBLEM is familiar, but GLOBOSE and ISOBARS are less likely to spring to mind. If the board fixes the first or last tile, use those distributions instead of scanning all 57 possibilities.
What should you know before playing one?
These entries are not evenly familiar or evenly accepted. Just 3 are common by frequency, although 43 have definitions; counts vary across Collins (55), NWL2023 (44) and ENABLE (39). The dictionary totals overlap, so do not add them to estimate distinct words.
Check your game's word list before committing to a less familiar form.
For 7-letter words with O as the 3rd letter and B as the 4th letter, scoring can favor unusual consonant-heavy forms: KNOBBLY leads at 18, while KNOBBED and PHOBICS each reach 16. The average score is 11.9, so the top scorers sit above the norm. Keep that gap in mind when weighing a playable word against a scoring opportunity.
Questions people ask
How many 7-letter words have O third and B fourth?
Which word in this pattern has the highest Scrabble score?
Are all 57 words accepted in every word game?
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