13-letter words
There are 7,827 thirteen-letter words in our dictionary. The most common are PSYCHASTHENIC, PSYCHOBABBLER, PSYCHOBABBLES, PSYCHOGENESES and PSYCHOGENESIS.
Long words like these rarely fit in one go, but they are the answers to many jumbles, spelling challenges and word-ladder puzzles. Most are built from a shorter root plus a common prefix or suffix.
13-letter words
- psychasthenic28
- psychobabbler29
- psychobabbles29
- psychogeneses24
- psychogenesis24
- psychogenetic26
- psychokineses27
- psychologised25
- psychologises24
- psychologisms26
- psychologized34
- psychologizes33
- psychometries25
- psychopathics30
- psychopathies28
- psychosurgeon24
- psychotropics27
- psychrometers25
- psychrometric27
- psychrophilic30
- pteridologies17
- pteridologist17
- pteridophytes24
- pteridosperms20
- puckishnesses24
- pulverization27
- pumpernickels25
- punctiliously20
- punctualities17
- punishability23
- purifications20
- puritanically20
- purposelessly20
- purposiveness20
- pushfulnesses21
- pusillanimity20
- putrefactions20
- pyrheliometer23
- pyridoxamines28
- pyrimethamine25
- pyrocatechols25
- pyrolytically26
- pyromorphites25
- pyrophyllites26
- pyrotechnical25
- pyrotechnists23
- quadraphonics30
- quadratically28
- quadrennially26
- quadrillionth26
- quadripartite25
- quadriphonics30
- quadriplegias26
- quadrivalents26
- quadrumvirate28
- quadruplicate27
- quadruplicity30
- quantitations22
- quantizations31
- quarrelsomely27
- quarterbacked31
- quarterstaves25
- quasiparticle26
- quasiperiodic27
- quattrocentos24
- queenlinesses22
- querulousness22
- questionaries22
- quincentenary27
- quindecillion25
- quinquennials31
- quinquenniums33
- quintessences24
- quintillionth25
- quintuplicate26
- quotabilities24
- rabbitbrushes22
- racemizations26
- radiationless14
- radicalnesses16
- radiobiologic19
- radiochemical23
- radiochemists21
- radioelements16
- radiographies20
- radiographing21
- radioisotopic18
- radiolabeling17
- radiolabelled17
- radiothoriums19
- raffishnesses22
- rapaciousness17
- rapturousness15
- rarefactional18
- ratiocinating16
- ratiocination15
- ratiocinative18
- ratiocinators15
- rationalities13
- rationalizers22
- rattlebrained16
- raucousnesses15
- raunchinesses18
- raylessnesses16
- razzamatazzes51
- reaccelerated18
- reaccelerates17
- reacclimatize28
- reaccrediting19
- reacquainting25
- reacquisition24
- reactivations18
- readabilities16
- reafforesting20
- reaggregating17
- reaggregation16
- reallocations15
- reannexations20
- reappearances19
- reapportioned18
- reappropriate19
- rearticulated16
- rearticulates15
- reasonability18
- reassemblages18
- reassumptions17
- reattachments20
- reattributing16
- reattribution15
- rebarbatively23
- recalcitrancy22
- recalcitrants17
- recallability20
- recapitalizes26
- receiverships23
- recentrifuged20
- recentrifuges19
- receptivities20
- recessiveness18
- rechallenging20
- rechannelling19
- rechoreograph24
- rechristening19
- reciprocative22
- reciprocators19
- reciprocities19
- reclusiveness18
- recognizances27
- recommissions19
- recommitments21
- recompilation19
- recomputation19
- reconcentrate17
- reconceptions19
- reconcilement19
- reconditeness16
- reconnections17
- reconnoitered16
- reconnoitring16
- reconsecrated18
- reconsecrates17
- reconsolidate16
- reconstitutes15
- reconstructor17
- recontaminate17
- reconversions18
- reconveyances23
- reconvictions20
- recreationist15
- recriminating18
- recriminative20
- recriminatory20
- recrudescence20
- recrystallize27
- rectangularly19
- rectilinearly18
- rectitudinous16
- recultivating19
- recuperations17
- recursiveness18
- reddishnesses18
- redecorations16
- rededications17
- redefinitions17
- redemptioners18
- redeployments21
- redetermining17
- redintegrated16
- redintegrates15
- rediscounting17
- rediscoveries19
- redisposition16
- reductionisms18
- reductionists16
- reductiveness19
- reduplicating19
- reduplicative21
- reeligibility19
- reembroidered19
- reemphasizing30
- reemployments22
- reencountered16
- reengagements17
- reenlistments15
- reescalations15
- reestablishes18
- reevaluations16
- reexperienced25
- reexperiences24
- reexportation22
- referentially19
- reflectometer20
- reflectometry23
- reflectorized28
- reflectorizes27
- reflexiveness26
- reflexivities26
- reflexologies24
- reformability23
- reformational18
- reformatories18
- refoundations17
- refractometry23
- refundability22
- regardfulness18
- regionalistic16
- regionalizing24
- regretfulness17
- rehabilitants18
- rehabilitator18
- rehospitalize27
- rehypnotizing31
- reidentifying21
- reimportation17
- reimpositions17
- reimpressions17
- reindictments18
- reinfestation16
- reinforceable20
- reinnervating17
- reinnervation16
- reinoculating16
- reinoculation15
- reinspections17
- reinstituting14
- reintegrative17
- reinterviewed20
- reinvestments18
- reinvigorates17
- reinvigorator17
- reiteratively19
- rejuvenations23
- rejuvenescent25
- rekeyboarding24
- relandscaping19
- relatednesses14
- relaxednesses21
- reliabilities15
- religiosities14
- relubricating18
- relubrication17
- remanufacture20
- rematerialize24
- remeasurement17
- remediability21
- remembrancers21
- remilitarized25
- remilitarizes24
- reminiscently20
- remonstrances17
- remonstrantly18
- remonstration15
- remonstrative18
- remonstrators15
- remotivations18
- removableness20
- remunerations15
- remythologize31
- renationalize22
- renaturations13
- rencountering16
- rendezvousing27
- renominations15
- renormalizing25
- renouncements17
- rentabilities15
- renunciations15
- reoccupations19
- reoccurrences19
- reorchestrate18
- reorientating14
- repairability20
- repetitiously18
- rephotographs24
- replantations15
- replenishable20
- repletenesses15
- repopularized27
- repopularizes26
- repopulations17
Other word lengths
13-letter words starting with
13-letter words ending in
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