14 letters
- bacteriophages27
- bacteriostases20
- bacteriostasis20
- bacteriostatic23
- bacterizations30
- barbarizations30
- barometrically27
- bastardization28
- beggarlinesses23
- beleaguerments25
- belligerencies25
- benefactresses24
- benzanthracene34
- bestsellerdoms23
- bewilderedness24
- bibliographers28
- bibliographies28
- biculturalisms27
- bigheartedness23
- bildungsromane27
- bildungsromans27
- binocularities23
- biochemistries25
- bioconversions26
- biodegradation22
- biodiversities22
- bioelectricity26
- bioengineering24
- biogeographers26
- biogeographies26
- biographically31
- biometeorology25
- bioregionalism24
- bioregionalist21
- bioremediation22
- biotelemetries21
- bipartisanisms24
- bipartisanship26
- bipolarization31
- birefringences27
- blackguardisms32
- blanketflowers30
- blepharoplasts27
- blepharoplasty29
- blepharospasms29
- bloodthirstily24
- boardinghouses24
- boisterousness19
- bolometrically28
- bouleversement27
- bourgeoisified24
- bourgeoisifies23
- boustrophedons25
- bowdlerization32
- brachycephalic36
- brackishnesses27
- braillewriters22
- brainstormings24
- braunschweiger29
- breaststrokers21
- breathlessness21
- breathtakingly29
- bremsstrahlung27
- brinksmanships31
- bromocriptines27
- bronchiectases26
- bronchiectasis26
- bronchodilator25
- bronchoscopies29
- bronchoscopist29
- bronchospastic29
- brontosauruses20
- brushabilities24
- brutalizations29
- buffaloberries28
- bureaucrateses22
- bureaucratised23
- bureaucratises22
- bureaucratisms25
- bureaucratized32
- bureaucratizes31
- businessperson23
- butterfingered25
- butterscotches26
- butyraldehydes27
- butyrophenones27
- calligraphists26
- campylobacters32
- campylotropous30
- candlelighters25
- candlesnuffers28
- canorousnesses20
- cantankerously27
- capriciousness25
- caprifications27
- carbonizations31
- carbonylations25
- carboxylations31
- carburizations31
- carcinogeneses24
- carcinogenesis24
- carcinomatoses24
- carcinomatosis24
- carcinosarcoma27
- cardiographies25
- cardiomyopathy30
- cardiothoracic26
- cardiovascular27
- carelessnesses19
- cartelizations28
- cartographical28
- catachrestical26
- catastrophisms25
- catastrophists22
- categorization29
- cauliflowerets26
- cauterizations28
- celebratedness23
- censoriousness20
- centerednesses20
- centralization29
- centrifugation25
- cephalometries26
- cephaloridines25
- cephalosporins27
- ceremonialisms25
- ceremonialists22
- certifications24
- ceruloplasmins27
- chancellorship30
- characteristic25
- characterizing34
- charitableness24
- chateaubriands25
- checkerberries29
- cheerfulnesses25
- chemisorptions26
- chemoreception29
- chemoreceptive32
- chemoreceptors28
- chemosurgeries25
- chemotherapies27
- chemotherapist27
- chiaroscurists23
- chickenhearted30
- chincherinchee31
- chirographical30
- chivalrousness26
- chlamydospores29
- chlorenchymata31
- chlorobenzenes34
- chlorophyllous30
- chlorothiazide32
- chlorpromazine36
- chlorpropamide30
- cholangiograms28
- cholestyramine26
- cholinesterase21
- chondrocranium29
- chordamesoderm27
- choreographers26
- choreographies26
- choreographing29
- chrestomathies24
- chromaticities25
- chromatographs29
- chromatography31
- chromatophores27
- chromodynamics32
- chromoproteins26
- chronobiologic29
- chronographies27
- chronometrical27
- chrysanthemums31
- churchianities26
- churchlinesses27
- churchmanships34
- churlishnesses24
- cicatrizations30
- cinematographs28
- cinematography30
- circuitousness23
- circularnesses23
- circumambulate32
- circumferences31
- circumlocution30
- circumlocutory31
- circumnavigate31
- circumscissile28
- circumscribing33
- circumspection31
- circumstantial26
- circumvallated31
- circumvallates30
- circumventions30
- circumvolution31
- citriculturist23
- clairaudiences24
- clairaudiently24
- clapperclawing34