12 letters
- kinglinesses21
- kitchenettes22
- kitchenwares25
- klutzinesses28
- knottinesses18
- knucklebones30
- kymographies28
- laboratories16
- labradorites17
- lacquerwares29
- lampooneries20
- langbeinites20
- langoustines18
- laparoscopes22
- laparotomies19
- laryngitides19
- launderettes16
- lavishnesses20
- lawfulnesses22
- leadennesses16
- leatherettes15
- lecithinases19
- lectionaries17
- legibilities19
- legionnaires17
- legislatives20
- legislatures17
- legitimacies21
- lemongrasses19
- lentiviruses19
- leopardesses17
- letterspaces19
- leukocytoses23
- leukopoieses21
- leukotrienes19
- lexicalities24
- lexicologies26
- liberalities17
- libertinages19
- lickspittles24
- likabilities21
- limbernesses20
- limpidnesses21
- liquidnesses25
- literalities14
- lithospheres20
- littlenesses15
- livabilities21
- livelinesses19
- livingnesses21
- lockstitches25
- loganberries19
- logicalities19
- lonelinesses16
- loosestrifes16
- lordlinesses16
- lovabilities21
- lovelinesses19
- lovingnesses21
- luminosities18
- lumpectomies26
- lycanthropes24
- mackintoshes25
- macrocytoses23
- macrogametes23
- madreporites19
- magistracies20
- maintenances21
- malacologies22
- maleficences26
- malevolences25
- malfeasances23
- malignancies23
- malpractices25
- manageresses18
- mandarinates18
- manfulnesses22
- mantelpieces23
- manufactures24
- marginalizes28
- margraviates21
- maricultures21
- markednesses21
- marketplaces26
- marlinspikes24
- marquessates25
- marqueteries25
- marquisettes25
- marshinesses18
- masculinises21
- masculinizes30
- mastectomies21
- masterpieces21
- materialises16
- materializes25
- mathematizes29
- matriarchies20
- matriculates20
- meagernesses18
- mediocrities19
- megatonnages21
- melancholies23
- melanophores22
- mellownesses21
- memorialises19
- memorializes28
- mendicancies24
- meningitides20
- meprobamates24
- merchandises22
- merchandizes31
- mesalliances21
- mesocyclones25
- mesomorphies23
- mesothoraces20
- mesothoraxes24
- metagalaxies25
- metallurgies20
- metastasizes24
- metathoraces20
- metathoraxes24
- methenamines22
- methylamines24
- metropolises19
- microamperes24
- microgametes23
- microgrooves24
- micromanages24
- microscopies24
- microspheres23
- microtubules24
- midlatitudes19
- mightinesses20
- milliamperes23
- millidegrees20
- millihenries20
- millionaires18
- mindednesses19
- mineralogies19
- miniaturizes26
- minstrelsies17
- minutenesses18
- misaddresses17
- misalliances21
- misallocates20
- misanthropes21
- misassembles22
- miscarriages20
- miscellanies21
- misconceives26
- misconstrues20
- misdescribes22
- misdiagnoses19
- misericordes19
- misestimates18
- misevaluates21
- misfeasances22
- misguidances23
- mismarriages20
- misperceives25
- missiologies18
- missionaries16
- modernnesses18
- modishnesses19
- modularities18
- mollycoddles25
- molybdenites23
- monkeyshines25
- monocultures22
- monoterpenes20
- morbidnesses20
- morosenesses16
- morphallaxes29
- morphologies23
- motherhouses20
- movabilities23
- mucopeptides26
- muliebrities20
- mulishnesses20
- multicourses21
- multiengines21
- multispecies23
- munificences27
- musculatures22
- musicalities20
- musicologies22
- muskellunges26
- mutabilities20
- muttonfishes22
- myelopathies23
- mythologizes31
- naphthalenes22
- naprapathies21
- narcolepsies20
- narrownesses17
- nationalises15
- nationalizes24
- nativenesses18
- nebulosities18
- necessitates16