11 letters
- haloperidol19
- helicopters20
- helicopting23
- heliometric20
- heliotropes17
- heliotropic20
- hematologic22
- hemopoietic22
- herpetology21
- heterogonic19
- heteroploid18
- heterotopic19
- holographed22
- holographer21
- holographic24
- hydrotropic22
- hypercritic24
- icosahedral18
- ideographic22
- ideological19
- idiographic22
- impractical24
- incarcerate18
- incorporate18
- incorporeal19
- intercooler16
- interracial16
- ironhearted15
- irradiators12
- irradicable19
- irreparable18
- isoelectric18
- labradorite16
- laccolithic24
- leatherwood18
- lepidoptera19
- lionhearted16
- logarithmic22
- logographic24
- macrophagic27
- madreporite18
- malpractice24
- meteoroidal16
- microreader18
- narcoleptic22
- necrophilia21
- necrophilic24
- neocortical19
- ochlocratic23
- oligarchies19
- oligochaete19
- operational16
- operculated20
- orographies18
- orthopaedic20
- orthopedics20
- outpreached21
- overcharged23
- overcoached24
- overcorrect21
- overlighted21
- pacificator23
- paediatrics18
- paragenetic20
- parathyroid19
- paratrooper17
- pathologies19
- patriarchal20
- pedagogical23
- pedological22
- pedophiliac24
- pentahedral19
- perchlorate20
- percolating21
- percolation19
- percolators18
- pericardial19
- pericranial19
- periodicals19
- periodontal17
- perithecial20
- petrodollar17
- petrologies17
- philanderer19
- photoreduce21
- pigeonholed21
- pigeonholer20
- piscatorial18
- placeholder22
- plagiarised18
- plagiarized27
- plagiarizer26
- plantigrade19
- pleiotropic21
- polarimeter18
- practicable24
- praelecting21
- preachified23
- prearranged18
- prebiologic23
- preclearing21
- precocities20
- precritical21
- predacities18
- prediabetic21
- predicating21
- predication19
- predicative22
- predicatory20
- predictable22
- predoctoral19
- preelectric21
- prehistoric19
- preliterary17
- premarriage19
- preordering18
- prerogative20
- preschooler20
- prevaricate21
- procephalic26
- procercoids21
- procreating20
- procreation18
- procreative21
- procreators17
- proctologic23
- prodigality20
- profiterole18
- proletarian16
- proletariat15
- proliferate18
- proofreader18
- prophetical23
- protectoral18
- prothoraces19
- prothoracic22
- protractile18
- pteridology20
- purgatorial18
- racetracker21
- radioactive19
- radiographs19
- radiography21
- radiologies15
- radiologist15
- radiometric18
- radiotracer15
- railroaders13
- railroading16
- reaccepting23
- reaccredits18
- reallocated17
- recalibrate18
- recarpeting20
- rechartered17
- reciprocals21
- reciprocate20
- reciprocity22
- recirculate19
- recordation16
- rectilinear16
- redactional17
- redecorator15
- redirecting18
- redirection16
- reduplicate20
- renographic22
- reoperating17
- reoperation15
- repatriated15
- replicating21
- replication19
- replicative22
- replicators18
- repolarized25
- reportorial15
- reproachers19
- reproaching22
- reprogramed20
- reradiating15
- reradiation13
- rerecording18
- retailoring15
- rethreading17
- retroceding18
- retrograded15
- retrogrades14
- rhabdocoele21
- rhapsodical21
- rheological20
- rhetorician17
- ricocheting22
- ricochetted20
- scapegoated20
- secretarial15
- serigrapher18
- sociopathic22
- spirochaete19
- spirochetal20
- sprightlier19