11 letters
- integration15
- integrative18
- integrators14
- integrities14
- interesting15
- intergrades15
- intermitted16
- internships18
- interparish17
- interphases17
- interpleads17
- interpoints16
- interpolate16
- interposers15
- interposing18
- interrogate14
- interspaced19
- interspaces18
- interstates12
- interstices15
- intertwists15
- intestacies15
- intromitted16
- introspects18
- investigate18
- invigorated19
- invigorates18
- ionospheres17
- ionospheric20
- ironhearted15
- irredentist13
- isoantigens15
- jeopardises24
- jitteriness21
- keratitides16
- ketosteroid16
- kinesthesia18
- leaderships18
- legateships19
- legionaries15
- lionhearted16
- lipogenesis18
- lipreadings19
- literations13
- maisonettes15
- marionettes15
- martensites15
- maternities15
- meditations16
- mentorships20
- mesonephroi20
- mesonephros20
- metanephroi20
- metanephros20
- methodising20
- misanthrope20
- misdiagnose18
- misoriented16
- misphrasing22
- misstarting17
- missteering17
- mistreating17
- mithridates17
- moderations16
- modernities16
- monasteries15
- monetarists15
- monitorship20
- monographed23
- monophagies22
- monotheists17
- nearsighted17
- negativists18
- negotiation15
- negotiators14
- negotiatory16
- negrophobes22
- negrophobia22
- neorealists13
- nephritides18
- nephrostome20
- nervosities16
- nightscopes22
- nightshades19
- nightshirts18
- nightstands18
- nitrogenase15
- nonsteroids14
- northeaster14
- notorieties12
- octahedrons18
- ontogenesis15
- openhearted18
- operagoings19
- operettists14
- opinionated17
- optometries17
- optometrist17
- ordinariest13
- ordinations14
- organicists17
- orientalist13
- orientating15
- orientation13
- originators14
- ornithopods18
- ornithopter17
- orographies18
- orthodontia15
- orthoepists16
- orthopaedic20
- orthopedics20
- orthopedist17
- orthopteran17
- orthostatic16
- ostentation13
- osteopathic19
- ostracising17
- outdressing16
- outpatients16
- outpressing18
- outspeeding19
- outsprinted17
- outstarting15
- outstations13
- outsteering15
- outstriding16
- overdesigns19
- overdosages18
- overediting19
- overheaping23
- overheating20
- overnighted21
- overpassing21
- oversetting18
- overstating18
- overtighten20
- pacesetting20
- pageantries17
- panegyrists19
- pantdresses16
- pantheistic20
- paragenesis17
- parasitised15
- parasitoids15
- parentheses17
- parenthesis17
- parenthetic20
- parenthoods18
- paresthesia16
- paresthetic19
- parishioner17
- parotitises14
- parsimonies18
- partitioned16
- partitioner15
- pasteurised16
- paternities15
- paternoster15
- pathfinders21
- pathologies19
- pathologist19
- patisseries14
- patrimonies18
- patriotisms17
- patronesses15
- patronising18
- patternings18
- patternless16
- peasantries15
- peashooters16
- pederasties15
- pedestaling19
- pedestrians16
- pediatrists15
- pedogenesis18
- pedologists18
- penetrating18
- penetration16
- penologists18
- pentahedron19
- pentarchies20
- peridotites15
- periodontal17
- periostitis14
- peritonitis15
- permeations18
- perorations15
- peroxidases22
- personalise16
- personalist16
- personating18
- personation16
- personative19
- personators15
- personhoods18
- personified19
- personifies18
- petitionary17
- petitioners15