Words that contain 'io' and end in 'um'


Continue scrolling to find 52 combinations for all the words containing 'io' and ending with 'um'.

6 letter words

  • ionium

7 letter words

  • niobium

8 letter words

  • ciliolum
  • doliolum
  • guaiocum
  • iodinium
  • iodonium
  • ionidium
  • thionium
  • variorum
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9 letter words

  • antiopium
  • dioestrum
  • eriogonum
  • triosteum

10 letter words

  • armariolum
  • azthionium
  • criobolium
  • eriophorum
  • peridiolum
  • periosteum

11 letter words

  • aeciotelium
  • azothionium
  • cassiopeium
  • epionychium
  • leiophyllum
  • periodontum
  • radiosodium
  • sporidiolum
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12 letter words

  • cardiocarpum
  • conioselinum
  • coniothyrium
  • heliotropium
  • myriophyllum
  • ophioglossum
  • periodontium
  • perionychium
  • periostracum
  • radiocalcium
  • radiothorium
  • sporangiolum
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13 letter words

  • araliophyllum
  • cardiospermum
  • mesenteriolum
  • paphiopedilum
  • radioactinium
  • radiothallium

14 letter words

  • iridioplatinum
  • labiotenaculum
  • plagiopatagium
  • radiopotassium
  • radiostrontium

17 letter words

  • propionibacterium

How many letters are in the largest word on this list?
'Propionibacterium' is the longest word that Dictionarypedia could locate, which has 17 letters

In Scrabble, what is the best score you can get from words that have 'io' in and end with 'um'?
For 13 points in Scrabble, it is possible to play 'guaiocum'.

Is there an example word from this page which might be thought of as unique?
We feel 'radiothorium' to be the most weird word. The definition of 'radiothorium' is as follows: "A radioactive substance apparently formed as a product from thorium.". Source Oxford Dictionary.

How many words could one make using this combination of letters?
On this page of words containing 'io' and ending with 'um', we have found 52 outstanding combinations which are possible.

Find Words

Words that start with any letter and include any three letters

  1. w*bbi*
  2. b*res*
  3. b*eww*
  4. q*inh*
  5. i*int*
  6. a*ocu*
  7. j*ugu*
  8. m*day*
  9. t*exu*
  10. k*sme*
  11. i*hiu*
  12. v*bed*
  13. y*wey*
  14. d*reh*
  15. l*ydo*
  16. d*bor*
  17. r*ies*
  18. a*sgo*
  19. w*kon*
  20. f*opd*
  21. m*uru*
  22. i*ydi*
  23. e*ffe*
  24. g*mdi*
  25. n*yee*
  26. i*rfi*
  27. g*sgo*
  28. g*reu*
  29. h*abr*
  30. d*mhe*
  31. s*wci*
  32. i*ule*
  33. b*jan*
  34. y*ani*
  35. m*reg*
  36. k*gcu*
  37. y*tle*
  38. t*apw*
  39. e*woo*
  40. v*alu*
  41. a*tht*
  42. a*thr*
  43. f*ran*
  44. k*ail*
  45. z*ggy*
  46. f*akd*
  47. g*aku*
  48. p*mil*
  49. l*zyi*
  50. d*krs*

Words where the second letter is ... and the fifth letter is ...

  1. _i__w*
  2. _s__e*
  3. _t__d*
  4. _d__b*
  5. _v__u*
  6. _x__q*
  7. _e__e*
  8. _f__u*
  9. _a__p*
  10. _x__c*
  11. _u__x*
  12. _g__f*
  13. _b__v*
  14. _g__o*
  15. _y__k*
  16. _u__p*
  17. _l__y*
  18. _m__f*
  19. _u__b*
  20. _s__c*
  21. _o__w*
  22. _p__l*
  23. _t__u*
  24. _x__y*
  25. _k__u*
  26. _z__e*
  27. _c__l*
  28. _g__l*
  29. _r__t*
  30. _p__b*
  31. _i__o*
  32. _s__h*
  33. _q__k*
  34. _r__p*
  35. _a__f*
  36. _f__k*
  37. _a__q*
  38. _h__n*
  39. _h__m*
  40. _z__m*
  41. _b__w*
  42. _d__d*
  43. _m__z*
  44. _n__y*
  45. _p__n*
  46. _b__s*
  47. _m__v*
  48. _h__r*
  49. _c__c*
  50. _d__p*

Words where the third letter is ... and the fourth letter is ...

  1. __iw*
  2. __ai*
  3. __zc*
  4. __th*
  5. __uv*
  6. __gz*
  7. __el*
  8. __xh*
  9. __ju*
  10. __oy*
  11. __qo*
  12. __tb*
  13. __pn*
  14. __bt*
  15. __uf*
  16. __ej*
  17. __bq*
  18. __gh*
  19. __ap*
  20. __gk*
  21. __jn*
  22. __ct*
  23. __nn*
  24. __bv*
  25. __ms*
  26. __dm*
  27. __sg*
  28. __rs*
  29. __we*
  30. __jb*
  31. __ue*
  32. __mb*
  33. __og*
  34. __vp*
  35. __ts*
  36. __er*
  37. __gn*
  38. __en*
  39. __dv*
  40. __wi*
  41. __jh*
  42. __ny*
  43. __sh*
  44. __rc*
  45. __yk*
  46. __vr*
  47. __zv*
  48. __ym*
  49. __lb*
  50. __wh*