24 letter words
DICHLORODIFLUOROMETHANES​39
23 letter words
DICHLORODIFLUOROMETHANE​38
21 letter words
ANTIFERROMAGNETICALLY​32
BUCKMINSTERFULLERENES​34
20 letter words (7 words)
ANTIFLUORIDATIONISTS​24
BUCKMINSTERFULLERENE​33
MAGNETOFLUIDDYNAMICS​35
PROFESSIONALIZATIONS​34
SPECTROFLUOROMETRIES​29
TRANSFORMATIONALISTS​25
ULTRACENTRIFUGATIONS​26
19 letter words (19 words)
ANTIFLUORIDATIONIST​23
COUNTERINFLATIONARY​27
DIFFERENTIABILITIES​28
DISRESPECTFULNESSES​27
IMMUNOFLUORESCENCES​30
INDEFATIGABLENESSES​26
INTERFEROMETRICALLY​29
NONENFORCEABILITIES​26
OVERCLASSIFICATIONS​29
OVERSIMPLIFICATIONS​31
PHOTOFLUOROGRAPHIES​33
POLYESTERIFICATIONS​29
PROFESSIONALIZATION​33
SPECTROFLUORIMETERS​28
SPECTROFLUOROMETRIC​30
SPLENDIFEROUSNESSES​25
TRANSFORMATIONALIST​24
ULTRACENTRIFUGATION​25
UNFASHIONABLENESSES​27
18 letter words (23 words)
COUNTERINFLUENCING​26
FEEBLEMINDEDNESSES​27
FERROELECTRICITIES​25
FRACTIONALIZATIONS​32
IMMUNOFLUORESCENCE​29
INDEFATIGABILITIES​25
INSUFFERABLENESSES​26
MISCLASSIFICATIONS​27
MULTIFARIOUSNESSES​23
MYELOPROLIFERATIVE​31
NONCONFRONTATIONAL​23
OVERCLASSIFICATION​28
OVERFERTILIZATIONS​33
OVERSIMPLIFICATION​30
POLYESTERIFICATION​28
QUANTIFICATIONALLY​35
SEMIPROFESSIONALLY​28
SPECTROFLUORIMETER​27
STEREOSPECIFICALLY​30
SUBCLASSIFICATIONS​27
17 letter words (58 words)
ARIBOFLAVINOSISES​25
CONFIDENTIALITIES​23
CONFIGURATIONALLY​26
COUNTERINFLUENCED​25
COUNTERINFLUENCES​24
DECLASSIFICATIONS​25
DIFFERENTIABILITY​29
DISGRACEFULNESSES​24
DISQUALIFICATIONS​32
DISRESPECTFULNESS​25
DISTASTEFULNESSES​21
DISTRESSFULNESSES​21
DISTRUSTFULNESSES​21
FANTASTICALNESSES​22
FASHIONABLENESSES​25
FERRIMAGNETICALLY​28
FICTIONALIZATIONS​31
FLIRTATIOUSNESSES​20
FLORIFEROUSNESSES​23
FRACTIONALIZATION​31
16 letter words (104 words)
ARTIFICIALNESSES​21
BENEFICIALNESSES​23
CHOLECALCIFEROLS​28
CONFESSIONALISMS​23
CONFESSIONALISTS​21
CONFIRMABILITIES​25
COUNTERINFLATION​21
COUNTERINFLUENCE​23
DECALCIFICATIONS​26
DECLASSIFICATION​24
DELIGHTFULNESSES​24
DESPITEFULNESSES​22
DESULFURIZATIONS​29
DISDAINFULNESSES​21
DISQUALIFICATION​31
ELECTRIFICATIONS​23
ENFORCEABILITIES​23
EXEMPLIFICATIONS​32
FALLACIOUSNESSES​21
FALSIFIABILITIES​24
15 letter words (260 words)
CONFIDENTIALITY​24
CLASSIFICATIONS​22
PROFESSIONALISM​22
FUNDAMENTALISTS​21
FUNCTIONALITIES​20
MULTIFUNCTIONAL​22
ELECTRIFICATION​22
CONFRONTATIONAL​20
INFRASTRUCTURAL​20
TRANSFERABILITY​23
SIMPLIFICATIONS​24
CIRCUMFERENTIAL​24
FAMILIARIZATION​29
ULTRAFILTRATION​18
FAMILIARISATION​20
RETROREFLECTIVE​23
DINOFLAGELLATES​20
CHOLECALCIFEROL​27
CONFIGURATIONAL​21
NONPROFESSIONAL​20
14 letter words (419 words)
CLASSIFICATION​21
QUALIFICATIONS​28
PROFESSIONALLY​22
SCIENTIFICALLY​24
SIMPLIFICATION​23
SATISFACTORILY​22
FUNDAMENTALIST​20
FUNDAMENTALISM​22
CLARIFICATIONS​21
DEFIBRILLATORS​20
CONFORMATIONAL​21
UNPROFESSIONAL​19
DIFFERENTIALLY​24
AFFECTIONATELY​25
PREFERENTIALLY​22
CONFIDENTIALLY​23
INSUFFICIENTLY​25
MALFUNCTIONING​22
DIFFERENTIABLE​23
ENFORCEABILITY​24
13 letter words (652 words)
PROFESSIONALS​18
SIGNIFICANTLY​22
FUNCTIONALITY​21
INFORMATIONAL​18
QUALIFICATION​27
PROLIFERATION​18
CLARIFICATION​20
PROFITABILITY​23
MULTIFUNCTION​20
AMPLIFICATION​22
AFFORDABILITY​25
FERTILIZATION​25
DYSFUNCTIONAL​22
DIFFERENTIALS​20
WEIGHTLIFTING​24
CIPROFLOXACIN​29
MAXILLOFACIAL​27
DEFIBRILLATOR​19
DISRESPECTFUL​21
MALFORMATIONS​20
12 letter words (857 words)
PROFESSIONAL​17
SPECIFICALLY​24
CONFIDENTIAL​18
DIFFICULTIES​21
DIFFERENTIAL​19
SUFFICIENTLY​23
INFLAMMATORY​22
FLUCTUATIONS​17
INFLAMMATION​19
IDENTIFIABLE​18
FACILITATING​18
AFFILIATIONS​18
UNCLASSIFIED​18
CHESTERFIELD​21
FACILITATION​17
FORMULATIONS​17
PREFERENTIAL​17
INDEFINITELY​19
FIBROMYALGIA​23
CONFESSIONAL​17
11 letter words (972 words)
CLASSIFIEDS​17
EFFECTIVELY​25
FLEXIBILITY​26
BATTLEFIELD​17
AFFILIATION​17
EFFICIENTLY​22
DIFFERENTLY​21
REFLECTIONS​16
BEAUTIFULLY​19
FORMULATION​16
FEASIBILITY​19
FILMOGRAPHY​25
INFLUENTIAL​14
FINANCIALLY​19
FULFILLMENT​19
BUTTERFLIES​16
CONFLICTING​19
FELLOWSHIPS​22
FASHIONABLE​19
INFERTILITY​17
10 letter words (1136 words)
FACILITIES​15
FUNCTIONAL​15
AFFILIATES​16
CLASSIFIED​16
DEFINITELY​17
DIFFICULTY​22
FACILITATE​15
ARTIFICIAL​15
AFFILIATED​17
FELLOWSHIP​21
REFLECTION​15
OFFICIALLY​21
BENEFICIAL​17
MEANINGFUL​16
GIRLFRIEND​15
INFLUENCED​16
QUALIFYING​26
SIMPLIFIED​18
INFLUENCES​15
UNOFFICIAL​18
9 letter words (1170 words)
FOLLOWING​16
FINANCIAL​14
BEAUTIFUL​14
DIFFICULT​18
AFFILIATE​15
OFFICIALS​17
PORTFOLIO​14
INFLUENCE​14
QUALIFIED​22
LIFESTYLE​15
FILTERING​13
INFLATION​12
CONFLICTS​16
FESTIVALS​15
PLAINTIFF​17
NIGHTLIFE​16
AMPLIFIER​16
FIREPLACE​16
FERTILITY​15
INFLUENZA​21
8 letter words (950 words)
OFFICIAL​16
FRIENDLY​15
FAMILIES​13
FACILITY​16
FESTIVAL​14
PROFILES​13
CONFLICT​15
WILDLIFE​15
FLEXIBLE​20
FLASHING​15
FRANKLIN​15
FAMILIAR​13
LIFETIME​13
FIREWALL​14
FLORISTS​11
FEELINGS​12
FILENAME​13
FLOATING​12
INFORMAL​13
FLOORING​12
7 letter words (514 words)
PROFILE​12
FINALLY​13
HIMSELF​15
FAILURE​10
FLIGHTS​14
FEELING​11
OFFLINE​13
FILTERS​10
FLORIST​10
FALLING​11
QUALIFY​22
FILLING​11
BELIEFS​12
FOLDING​12
BRIEFLY​15
FAILING​11
PAINFUL​12
CLARIFY​15
LIFTING​11
FACIALS​12
6 letter words (199 words)
FAMILY​14
FILTER​9
ITSELF​9
FIELDS​10
FLIGHT​13
FAILED​10
RELIEF​9
FISCAL​11
FILLED​10
FLYING​13
FILING​10
FAIRLY​12
FACIAL​11
BELIEF​11
FINALS​9
FOSSIL​9
REFILL​9
FIRMLY​14
LIFTED​10
FLUIDS​10
5 letter words (69 words)
FIELD​9
FILES​8
FINAL​8
FILMS​10
FILED​9
MILFS​10
FLUID​9
FAILS​8
CLIFF​13
RIFLE​8
FLIES​8
LIFTS​8
FLINT​8
FILLS​8
FLICK​14
FILTH​11
FLAIR​8
FOLIO​8
FLIRT​8
FOLIC​10
4 letter words (20 words)
LIFE​7
FILE​7
FILM​9
MILF​9
FILL​7
FAIL​7
LIFT​7
FLIP​9
FOIL​7
FILA​7
FLIX​14
FILS​7
FILO​7
FLIT​7
FLIM​9
LIEF​7
FLIC​9
FLIR​7
FILK​11
ALIF​7
3 letter words
FIL​6