27 letter words
ELECTROENCEPHALOGRAPHICALLY​47
24 letter words
ELECTROCARDIOGRAPHICALLY​40
ELECTROENCEPHALOGRAPHIES​39
23 letter words
ELECTROENCEPHALOGRAPHIC​40
INDISTINGUISHABLENESSES​30
22 letter words
ELECTROPHYSIOLOGICALLY​38
INDISTINGUISHABILITIES​29
PHILOPROGENITIVENESSES​33
21 letter words (14 words)
ANTIFERROMAGNETICALLY​32
DENDROCHRONOLOGICALLY​34
DISADVANTAGEOUSNESSES​27
ELECTROCARDIOGRAPHIES​32
ELECTROMYOGRAPHICALLY​39
ELECTRORETINOGRAPHIES​29
INDISTINGUISHABLENESS​28
INTERCHANGEABLENESSES​29
MENINGOENCEPHALITIDES​32
NEUROENDOCRINOLOGICAL​27
NEUROENDOCRINOLOGISTS​25
OTORHINOLARYNGOLOGIES​29
OVERINTELLECTUALIZING​36
STRAIGHTFORWARDNESSES​32
20 letter words (39 words)
COUNTERCONDITIONINGS​26
COUNTERDEMONSTRATING​26
COUNTERINTELLIGENCES​25
DEINSTITUTIONALIZING​31
DISTINGUISHABILITIES​27
ELECTROCARDIOGRAPHIC​33
ELECTROOCULOGRAPHIES​30
ELECTROPHOTOGRAPHIES​33
ELECTROPHYSIOLOGICAL​33
ELECTROPHYSIOLOGISTS​31
ELECTRORETINOGRAPHIC​30
GLOMERULONEPHRITIDES​29
HYPERCOAGULABILITIES​33
INTERCHANGEABILITIES​28
MAGNETOFLUIDDYNAMICS​35
MAGNETOHYDRODYNAMICS​38
MICROPALEONTOLOGICAL​29
MICROPALEONTOLOGISTS​27
NEUROENDOCRINOLOGIES​24
NEUROENDOCRINOLOGIST​24
19 letter words (77 words)
AGAMMAGLOBULINEMIAS​29
ANGIOCARDIOGRAPHIES​29
ANTIFERROMAGNETISMS​27
BOURGEOISIFICATIONS​27
CHARACTEROLOGICALLY​32
CHROMOLITHOGRAPHERS​35
CHROMOLITHOGRAPHIES​35
CINEMATOGRAPHICALLY​34
CONTRADISTINGUISHED​27
CONTRADISTINGUISHES​26
COUNTERADVERTISINGS​26
COUNTERCONDITIONING​25
COUNTERINSURGENCIES​24
COUNTERINTELLIGENCE​24
COUNTERPROGRAMMINGS​29
CYTOPATHOGENICITIES​32
DEHYDROCHLORINATING​33
DENDROCHRONOLOGICAL​29
DENDROCHRONOLOGISTS​27
DISADVANTAGEDNESSES​26
18 letter words (126 words)
AGAMMAGLOBULINEMIA​28
AGAMMAGLOBULINEMIC​30
ANTICOUNTERFEITING​24
ANTIFERROMAGNETISM​26
ASTROPHOTOGRAPHIES​29
BIODEGRADABILITIES​25
BOURGEOISIFICATION​26
CHROMOLITHOGRAPHED​35
CHROMOLITHOGRAPHER​34
COMPARTMENTALISING​27
COMPARTMENTALIZING​36
CONGREGATIONALISMS​24
CONGREGATIONALISTS​22
COUNTERADVERTISING​25
COUNTERAGGRESSIONS​22
COUNTERINFLUENCING​26
COUNTERPETITIONING​23
COUNTERPROGRAMMING​28
COUNTERQUESTIONING​30
COUNTERSTRATEGISTS​21
17 letter words (200 words)
AGGLUTINABILITIES​21
ALLEGORICALNESSES​20
ANESTHESIOLOGISTS​21
ANTIDESEGREGATION​20
ANTIFERROMAGNETIC​25
ANTIMISCEGENATION​22
ANTITECHNOLOGICAL​25
AUTORADIOGRAPHIES​24
BACTERIOLOGICALLY​27
BIOGEOCHEMISTRIES​27
BIOMETEOROLOGICAL​24
BIOSTRATIGRAPHIES​25
BLOODGUILTINESSES​21
CARCINOGENICITIES​24
CATECHOLAMINERGIC​29
CHARACTEROLOGICAL​27
CHOLANGIOGRAPHIES​29
CHOREOGRAPHICALLY​33
CHYMOTRYPSINOGENS​33
CONGREGATIONALISM​23
16 letter words (297 words)
AGGRESSIVENESSES​21
ANESTHESIOLOGIES​20
ANESTHESIOLOGIST​20
ANTICARCINOGENIC​23
ANTICHOLINERGICS​24
ANTICONGLOMERATE​21
ANTIFERROMAGNETS​22
ANTIPROFITEERING​22
ANTIRACKETEERING​23
ANTITECHNOLOGIES​22
ARCHAEOLOGICALLY​27
BIGHEARTEDNESSES​23
BIODEGRADABILITY​26
BIOMETEOROLOGIES​21
BIOTECHNOLOGICAL​26
BIOTECHNOLOGISTS​24
CHROMATOGRAPHIES​29
CHYMOTRYPSINOGEN​32
CINEMATOGRAPHERS​26
CINEMATOGRAPHIES​26
15 letter words (1120 words)
TROUBLESHOOTING​21
ELECTROMAGNETIC​22
INTERCHANGEABLE​23
EPIDEMIOLOGICAL​23
TECHNOLOGICALLY​26
INTERCOLLEGIATE​18
DECOMMISSIONING​23
SUPERCONDUCTING​23
DIFFERENTIATING​23
CINEMATOGRAPHER​25
RECONFIGURATION​21
GENERALIZATIONS​25
OLIGONUCLEOTIDE​19
INVESTIGATIONAL​19
CORRESPONDINGLY​24
DISTINGUISHABLE​22
CARCINOGENICITY​25
CYTOMEGALOVIRUS​26
INTERCHANGEABLY​26
NEUROPHYSIOLOGY​27
14 letter words (1718 words)
INVESTIGATIONS​18
ARCHAEOLOGICAL​22
REORGANIZATION​24
METEOROLOGICAL​19
GEOGRAPHICALLY​26
METHODOLOGICAL​23
MOUNTAINEERING​17
GROUNDBREAKING​23
GENERALIZATION​24
BIBLIOGRAPHIES​24
OVERWHELMINGLY​29
CONGREGATIONAL​18
UNDERSTANDINGS​17
CATEGORIZATION​26
CINEMATOGRAPHY​27
IRREGULARITIES​15
NEIGHBOURHOODS​24
ANESTHESIOLOGY​21
CHARACTERIZING​31
ARCHAEOLOGISTS​20
13 letter words (2648 words)
UNDERSTANDING​16
INVESTIGATION​17
CORRESPONDING​19
BIOTECHNOLOGY​24
TECHNOLOGICAL​21
CONGRESSIONAL​16
DISTINGUISHED​19
INVESTIGATORS​17
RESTRUCTURING​16
STRENGTHENING​18
INVESTIGATING​18
NEIGHBORHOODS​23
NEIGHBOURHOOD​23
DEMONSTRATING​17
GRANDCHILDREN​21
REGISTRATIONS​14
DISADVANTAGES​19
METHODOLOGIES​20
REFRIGERATION​17
ENLIGHTENMENT​19
12 letter words (3590 words)
REGISTRATION​13
TECHNOLOGIES​18
INTELLIGENCE​15
NEIGHBORHOOD​22
IMPLEMENTING​19
INCREASINGLY​18
REPRESENTING​15
ESTABLISHING​18
SIGNIFICANCE​20
NEGOTIATIONS​13
GEOGRAPHICAL​21
CONFERENCING​20
INVESTIGATOR​16
ENTERTAINING​13
INVESTIGATED​17
SPECIALIZING​26
REFRIGERATOR​16
EXPERIENCING​24
INFRINGEMENT​18
KINDERGARTEN​18
11 letter words (4424 words)
ADVERTISING​16
ENGINEERING​13
INTERESTING​12
REGULATIONS​12
INTEGRATION​12
SUGGESTIONS​13
LEGISLATION​12
AGRICULTURE​14
PROCEEDINGS​17
RECOGNITION​14
LEGISLATIVE​15
CONSIDERING​15
PROGRESSIVE​17
ELIGIBILITY​17
INTELLIGENT​12
INGREDIENTS​13
DETERMINING​15
IDENTIFYING​19
LEGISLATURE​12
ASSIGNMENTS​14
10 letter words (4639 words)
CATEGORIES​13
EVERYTHING​20
REGISTERED​12
PROCESSING​15
NETWORKING​18
GUIDELINES​12
DEVELOPING​17
GENERATION​11
DESIGNATED​13
INTEGRATED​12
STRATEGIES​11
REGULATION​11
INCREASING​13
CONCERNING​15
PERFORMING​18
RECOGNIZED​23
ASSIGNMENT​13
COUNSELING​13
GEOGRAPHIC​19
CARTRIDGES​14
9 letter words (4227 words)
SOMETHING​15
MARKETING​16
OPERATING​12
REGARDING​12
BEGINNING​13
GALLERIES​10
MAGAZINES​21
RINGTONES​10
REPORTING​12
RELIGIOUS​10
STRATEGIC​12
RECORDING​13
SIGNATURE​10
RECEIVING​15
SEARCHING​15
RESULTING​10
REMAINING​12
DEPENDING​14
FEATURING​13
LISTENING​10
8 letter words (2810 words)
REGISTER​9
LEARNING​9
MAGAZINE​20
DESIGNED​11
REGIONAL​9
EXISTING​16
TEACHING​14
AGENCIES​11
SETTINGS​9
RELIGION​9
MEETINGS​11
CREATING​11
OFFERING​15
ELIGIBLE​11
DESIGNER​10
MARRIAGE​11
NEGATIVE​12
LINGERIE​9
BREAKING​15
CLEANING​11
7 letter words (1655 words)
ENGLISH​11
MEETING​10
READING​9
GETTING​9
FOREIGN​11
WEDDING​13
TESTING​8
LEADING​9
SETTING​8
HIGHEST​14
SELLING​8
VILLAGE​11
HEARING​11
OPENING​10
EVENING​11
DESIGNS​9
VINTAGE​11
FIGURES​11
SERVING​11
SINGLES​8
6 letter words (574 words)
DESIGN​8
SINGLE​7
IMAGES​9
REGION​7
WEIGHT​13
FIGURE​10
HIGHER​13
ENGINE​7
GUIDES​8
ENDING​8
SIGNED​8
BRIDGE​10
HEIGHT​13
SEEING​7
BEGINS​9
EATING​7
GUINEA​7
DIGEST​8
IGNORE​7
FINGER​10
5 letter words (107 words)
BEING​8
GUIDE​7
IMAGE​8
GIVEN​9
GIVES​9
BEGIN​8
EIGHT​9
RIDGE​7
TIGER​6
GRIEF​9
BEIGE​8
WEIGH​12
REIGN​6
SIEGE​6
AGILE​6
HINGE​9
GLIDE​7
GENIE​6
GIMME​10
AEGIS​6
4 letter words (10 words)
GIVE​8
GIES​5
GITE​5
GIEN​5
TIGE​5
EGIS​5
GIBE​7
GEIT​5
GIED​6
GLEI​5
3 letter words
GIE​4