10 letters
- headlights18
- headpieces19
- helicopted20
- heraldries14
- ideographs18
- leadership17
- letterhead14
- logaoedics17
- octoploids18
- orchardist16
- heelpieces19
- hairpieces18
- heritrices15
- histologic18
- historical16
- isoplethic19
- legerities13
- lipotropic20
- literacies14
- litigators13
- hectograms20
- hectometer18
- heliometer16
- hematocrit18
- hemisphere20
- hemorrhage19
- hemostatic18
- heptameter18
- hermetical19
- hermitages17
- heteroatom15
- hithermost17
- hologamies18
- homeopaths20
- homeschool21
- homoerotic18
- homographs22
- homologate18
- homologies18
- homosocial19
- imperators16
- impetrates16
- imprecates19
- isothermal16
- lagomorphs21
- latecomers17
- logarithms18
- megasporic21
- meliorates14
- meliorator14
- meritocrat16
- mesothelia16
- metaethics18
- metaphoric21
- meteorites13
- metropolis17
- micrograph23
- microphage23
- micropores19
- microspore19
- microstate16
- octameters16
- omophagies20
- ophthalmic24
- optometric19
- halogetons16
- harpooners16
- hatcheling21
- hatchlings21
- henotheist15
- hierophant18
- holstering16
- honoraries13
- integrates13
- integrator13
- intercaste14
- intercepts17
- intercrops17
- interlaces15
- interloper15
- interlopes15
- interphase16
- interposer14
- interprets14
- interreges13
- interrogee13
- interspace17
- interstage13
- intertroop14
- introspect17
- ionophores16
- ionosphere16
- isochronal17
- leathering16
- lengthiest16
- leptotenes15
- letterings14
- lighteners16
- linecaster15
- lithophane19
- lithopones17
- lorgnettes14
- natrolites12
- necropoles18
- necropolis18
- neglecters17
- negotiates13
- negotiator13
- neoplastic18
- neorealist12
- neotropics17
- nephelites17
- nephoscope22
- nephrotics19
- nightscope21
- notepapers17
- octonaries14
- oenologies14
- oenophiles17
- oncologies17
- oncologist17
- ontologies14
- ontologist14
- opalescent18
- opalescing20
- operations14
- orangeries13
- orientates11
- orienteers11
- orogenetic16
- orthogonal16
- heliostats13
- herstories12
- hesitaters12
- horoscopes18
- horsehairs14
- horseraces15
- horseshoer14
- horsetails13
- hostelries13
- orchestras15
- operettist13
- haughtiest17
- horselaugh18
- irresolute12
- lighthouse18
- literature12
- locutories15
- operculars18
- operculate18
- operatives17
- horsepower18
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