12 letters
- antimagnetic22
- antimalarial18
- antimilitary19
- antimissiles17
- antimitotics19
- antimonopoly23
- antimosquito26
- antinational16
- antinepotism20
- antineutrino16
- antineutrons16
- antinovelist19
- antinucleons20
- antioxidants22
- antiozonants24
- antiparallel19
- antiparticle20
- antipathetic21
- antiperiodic20
- antiphonally23
- antipiracies19
- antipleasure18
- antipoaching24
- antipolitics20
- antipredator17
- antipruritic20
- antipyretics21
- antiquarians24
- antiquations24
- antirachitic21
- antirational15
- antirealisms17
- antirealists14
- antireligion17
- antiromantic20
- antiroyalist16
- antirrhinums20
- antisciences20
- antisocially20
- antispending21
- antistrophes18
- antistrophic21
- antitakeover21
- antithetical19
- antithrombin22
- antitrusters14
- antitussives18
- antiviolence22
- antivitamins21
- aoristically19
- apocalyptism27
- apocalyptist24
- apochromatic26
- apolitically23
- apostatising18
- apostatizing27
- apothegmatic25
- apparitional20
- appellations21
- appellatives24
- appendicitis23
- apperception25
- apperceptive28
- appetizingly33
- applications23
- apportioning22
- appositional20
- appositively25
- appreciating24
- appreciation22
- appreciative25
- apprenticing25
- approbations22
- aquatintists23
- aquilinities24
- arbitrations16
- arborization25
- aristocratic18
- arithmetical21
- aromatically22
- arpeggiating22
- articulacies20
- articulately20
- articulating20
- articulation18
- articulative21
- articulators17
- articulatory19
- artificially22
- artillerists14
- artilleryman20
- artillerymen20
- artiodactyls19
- artisanships18
- artistically19
- asexualities21
- asphyxiating29
- asphyxiation27
- aspirational17
- assaultively21
- assentations14
- asseverating19
- asseveration17
- asseverative20
- assignations16
- assimilating19
- assimilation17
- assimilative20
- associations16
- astigmatisms20
- astronautics17
- asymptomatic26
- atheoretical18
- athletically22
- athleticisms21
- atomizations25
- attenuations15
- attestations13
- attitudinise15
- attitudinize24
- attractively22
- attributions17
- attributives20
- audibilities18
- augmentation20
- augmentative23
- auscultating21
- auscultation19
- authenticate19
- authenticity21
- autistically20
- autoantibody20
- autocratical20
- autodidactic21
- autoerotisms16
- autografting21
- autohypnotic24
- automaticity21
- automatizing28
- autorotating16
- autorotation14
- autoxidation22
- avitaminotic23
- axiomatizing34
- backlighting30
- backstitched28
- backstitches27
- baptisteries18
- barquentines27
- basification22
- bastinadoing20
- bathetically24
- bearbaitings21
- beatifically25
- beautifulest21
- belletristic20
- benedictions21
- benefactions23
- bestialities16
- bestializing28
- betweentimes22
- bifunctional25
- bifurcations23
- bimodalities20
- bioacoustics22
- bioenergetic21
- bioscientist19
- biosynthetic23
- bipartitions19
- bipedalities20
- bipolarities19
- biquadratics29
- blacklisting27
- blastulation19
- blockbusting30
- bloodletting21
- blueprinting24
- bombinations23
- botherations18
- brachiations21
- brattinesses16
- breakfasting25
- brecciations22
- brilliantine19
- broadcasting22
- brominations20
- bronchitises21
- bullbaitings24
- bullfighting28
- bullmastiffs27
- bullshitting23
- bureaucratic23
- cachinnating25
- cachinnation23
- calcinations21
- calculations22
- calibrations20
- calumniating24
- calumniation22
- camphorating26