22 letters
20 letters
19 letters
18 letters
- dendrochronologist30
- ethnomethodologist30
- ethnomusicologists31
- gastroenterologist24
- hydrometeorologist29
- immunohematologist34
- immunopathologists34
- lepidopterologists29
- micrometeorologist30
- neurophysiologists30
- neuropsychologists33
- nonanthropologists29
- paleoclimatologist32
- psychopathologists36
- psychophysiologist38
17 letters
16 letters
- anesthesiologist22
- biotechnologists28
- chronobiologists28
- cryptozoologists36
- cytotechnologist30
- endocrinologists25
- geochronologists27
- geomorphologists29
- histopathologist26
- neuropathologist26
- neuroradiologist22
- ophthalmologists30
- otolaryngologist25
- paleopathologist28
- parapsychologist32
- phenomenologists29
- psychobiologists32
- roentgenologists23
- sedimentologists24
15 letters
- anthropologists24
- astrobiologists21
- bacteriologists24
- biotechnologist27
- chronobiologist27
- cryptozoologist35
- dialectologists23
- ecclesiologists25
- endocrinologist24
- epidemiologists25
- epistemologists24
- geochronologist26
- geohydrologists25
- geomorphologist28
- hydrobiologists26
- kremlinologists27
- liturgiologists22
- microbiologists27
- neurobiologists23
- ophthalmologist29
- paleobiologists25
- paleoecologists25
- paleontologists23
- paleozoologists31
- parasitologists21
- pharmacologists29
- phenomenologist28
- photobiologists26
- photogeologists25
- protozoologists30
- psychobiologist31
- radiobiologists22
- rheumatologists24
- roentgenologist22
- sedimentologist23
- sociobiologists24
14 letters
- anthropologist23
- archaeologists22
- astrobiologist20
- bacteriologist23
- campanologists27
- climatologists24
- cosmetologists23
- criminologists24
- cryobiologists25
- dermatologists21
- diabetologists21
- dialectologist22
- ecclesiologist24
- electrologists21
- epidemiologist24
- epistemologist23
- geohydrologist24
- gerontologists20
- herpetologists22
- hydrobiologist25
- ichthyologists26
- kremlinologist26
- lichenologists24
- liturgiologist21
- malariologists21
- martyrologists22
- meteorologists20
- methodologists23
- microbiologist26
- myrmecologists28
- narratologists18
- neonatologists19
- neurobiologist22
- onomatologists21
- ornithologists20
- paleobiologist24
- paleoecologist24
- paleontologist22
- paleozoologist30
- parasitologist20
- pharmacologist28
- photobiologist25
- photogeologist24
- phraseologists22
- planetologists22
- primatologists23
- protozoologist29
- pteridologists21
- radiobiologist21
- rheumatologist23
- sociobiologist23
- thanatologists20
- vexillologists30
- victimologists27
- volcanologists26
- vulcanologists27
13 letters
- angelologists20
- archaeologist21
- archeologists21
- campanologist26
- cardiologists20
- chronologists22
- climatologist23
- conchologists25
- cosmetologist22
- criminologist23
- cryobiologist24
- cryptologists24
- demonologists21
- dendrologists19
- deontologists18
- dermatologist20
- diabetologist20
- electrologist20
- embryologists24
- entomologists20
- enzymologists31
- escapologists22
- exobiologists26
- futurologists21
- gerontologist19
- glaciologists22
- graphologists23
- gynecologists24
- hematologists21
- herpetologist21
- ichthyologist25
- immunologists24
- lexicologists27
- lichenologist23
- malacologists23
- malariologist20
- martyrologist21
- meteorologist19
- methodologist22
- morphologists24
- musicologists23
- myrmecologist27
- narratologist17
- nematologists20
- neonatologist18
- nephrologists22
- nonbiologists21
- numerologists21
- oceanologists20
- onomatologist20
- ornithologist19
- palynologists23
- papyrologists24
- phraseologist21
- phrenologists22
- physiologists23
- planetologist21
- primatologist22
- proctologists22
- psephologists24
- psychologists26
- pteridologist20
- seismologists19
- selenologists18
- speleologists20
- technologists22
- teratologists16
- thanatologist19
- toxicologists26
- trichologists21
- urbanologists21
- vexillologist29
- victimologist26
- volcanologist25
- vulcanologist26
12 letters
- angelologist19
- anthologists18
- archeologist20
- audiologists17
- cardiologist19
- chronologist21
- conchologist24
- cosmologists21
- cryptologist23
- demonologist20
- dendrologist18
- deontologist17
- embryologist23
- entomologist19
- enzymologist30
- escapologist21
- ethnologists18
- etymologists20
- exobiologist25
- futurologist20
- gemmologists23
- glaciologist21
- graphologist22
- gynecologist23
- hematologist20
- histologists17
- hydrologists20
- immunologist23
- iridologists16
- lexicologist26
- limnologists20
- malacologist22
- metrologists18
- morphologist23
- museologists19
- musicologist22
- mythologists22
- necrologists19
- nematologist19
- nephrologist21
- neurologists17
- nonbiologist20
- numerologist20
- oceanologist19
- osteologists15
- palynologist22
- papyrologist23
- pathologists20
- petrologists18
- philologists21
- phonologists21
- phrenologist21
- phycologists25
- physiologist22
- proctologist21
- psephologist23
- psychologist25
- radiologists16
- seismologist18
- selenologist17
- semiologists18
- sociologists18
- speleologist19
- technologist21
- teleologists16
- teratologist15
- toxicologist25
- tribologists18
- trichologist20
- urbanologist20
11 letters
- algologists17
- anthologist17
- audiologist16
- biologistic20
- bryologists19
- cetologists17
- cosmologist20
- cytologists19
- ethnologist17
- ethologists16
- etymologist19
- fetologists17
- gemmologist22
- gemologists19
- histologist16
- horologists16
- hydrologist19
- ideologists15
- iridologist15
- limnologist19
- metrologist17
- mixologists24
- monologists18
- museologist18
- mycologists22
- mythologist21
- necrologist18
- neologistic18
- neurologist16
- oncologists18
- ontologists15
- osteologist14
- pathologist19
- pedologists18
- penologists18
- petrologist17
- philologist20
- phonologist20
- phycologist24
- pomologists20
- radiologist15
- rheologists16
- semiologist17
- serologists14
- sexologists21
- sinologists15
- sociologist17
- teleologist15
- topologists17
- tribologist17
- typologists19
- virologists18
10 letters
- algologist16
- apologists16
- biologists16
- bryologist18
- cetologist16
- cytologist18
- ecologists16
- enologists14
- ethologist15
- fetologist16
- gemologist18
- geologists15
- horologist15
- ideologist14
- mixologist23
- monologist17
- mycologist21
- oncologist17
- ontologist14
- pedologist17
- penologist17
- pomologist19
- rheologist15
- serologist13
- sexologist20
- sinologist14
- topologist16
- typologist18
- ufologists17
- urologists14
- virologist17
- zoologists22
9 letters
8 letters
7 letters