11 letters
- endothermic21
- eradication16
- eternalized23
- exceptional26
- exclamation26
- expatriated22
- expectation25
- expectorant25
- extrapolate22
- firmamental22
- fractionate18
- geometrical20
- idempotents19
- immortalize27
- impalements22
- impartation18
- impartments21
- impeachment26
- impedimenta22
- imperilment22
- impermanent22
- impersonate18
- impetration18
- implemented23
- implementer22
- implementor22
- importances21
- importantly21
- importunate19
- imprecation21
- impregnated21
- improvement25
- incompetent22
- incremental20
- intemperate18
- interatomic18
- intercalate16
- intercepted19
- interceptor18
- intercostal16
- intercouple20
- interdental15
- interlapped20
- interlocked21
- interplayed19
- interpleads17
- interpolate16
- interspaced19
- intolerance17
- intractable19
- intradermal17
- intrathecal18
- introjected25
- kleptomania23
- lacerations16
- lacrimation19
- lamebrained20
- lamentation17
- lateralized23
- lepidoptera19
- lionhearted16
- macerations18
- macrogamete22
- madreporian19
- madreporite18
- malediction20
- maledictory21
- malefaction22
- malpractice24
- maltreating18
- mandatories16
- mandatorily19
- manipulated21
- manipulator20
- manometries18
- mantelpiece22
- marionettes15
- marketplace25
- materialize24
- maternalism19
- mathematize28
- matriculant20
- matriculate19
- matrimonial19
- mediational17
- medicaments22
- megalomanic24
- memorialize27
- memorizable30
- mentholated19
- meprobamate23
- merchandize30
- metabolized28
- metacentric21
- metaethical20
- metamorphic25
- metanephric23
- metanephroi20
- metaplastic21
- metasomatic20
- meteoroidal16
- metonymical24
- metrication18
- microampere23
- microgamete22
- micromanage23
- mineralized26
- misdemeanor19
- momentarily21
- mongrelized28
- multicenter20
- multicoated20
- narcoleptic22
- naturalized24
- nematicidal20
- nematocidal20
- nematocides19
- neuroleptic20
- neutralized24
- nondramatic20
- nonliterate14
- nonmaterial17
- nonmetrical20
- obliterated16
- octapeptide21
- operational16
- operculated20
- orientalize22
- overclaimed23
- overplanted21
- palindromes20
- palindromic23
- pantropical22
- paragenetic20
- paramedical22
- parametrize26
- parenthetic20
- parfocalize30
- parliaments19
- particulate19
- partitioned16
- paternalism19
- paternalist16
- patrimonial19
- penetration16
- pentahedral19
- pentazocine28
- pentlandite18
- penultimate20
- percolating21
- percolation19
- periodontal17
- permeations18
- permutation19
- personalize25
- petticoated18
- piezometric29
- planetarium20
- planetoidal18
- planimeters19
- planimetric22
- plantigrade19
- plecopteran22
- polarimeter18
- polemicized31
- polymerized30
- pomegranate20
- portmanteau19
- postcranial19
- postmarital18
- potentiated16
- praelecting21
- pratincoles19
- preadmitted19
- preallotted17
- predicament22
- predication19
- predictable22
- predominant20
- predominate19
- preelection19
- prelections19
- premeditate18
- prenominate19
- preromantic21
- preterminal19
- problematic24
- proletarian16
- proletariat15
- protonemata18
- protractile18
- pterodactyl21
- radiolucent18
- ratiocinate15
- rationalize22
- reactivated19
- realization22
- reallocated17
- reappointed19
- recanalized26