12 letters
- indomethacin23
- inhabitation19
- inhalational18
- inharmonious20
- interchained20
- interchanged22
- interchanger21
- interchanges21
- interchannel21
- ipecacuanhas25
- jackhammered37
- leachability24
- leptocephali25
- marshalships23
- matriarchate20
- mechanically28
- mechanicians25
- mechanizable34
- menorrhagias20
- merchandised23
- merchandiser22
- merchandises22
- merchandized32
- merchandizes31
- merchantable25
- mesencephala25
- metencephala25
- methacrylate23
- methanations19
- methaqualone29
- metrorrhagia19
- microcephaly29
- microhabitat23
- misbehaviors24
- mischanneled24
- misemphasize32
- morphallaxes29
- morphallaxis29
- multichannel25
- mycophagists27
- naphthalenes22
- neanderthals18
- necrophagous24
- ninnyhammers25
- nitromethane19
- nonchalances24
- nonchalantly24
- noncharacter22
- noncrushable24
- nonhappening26
- nonhazardous27
- nonphosphate24
- oligochaetes20
- oligophagies22
- oligophagous23
- openhandedly24
- oropharynges22
- oropharynxes27
- overcharging26
- overemphases24
- overemphasis24
- overemphatic27
- overhandling24
- overharvests22
- overshadowed23
- paperhangers23
- paperhanging26
- patriarchate20
- phagocytized34
- phagocytizes33
- phagocytosed25
- phagocytoses24
- phagocytosis24
- phagocytotic27
- phanerophyte25
- pharmacology28
- pharmacopeia26
- philharmonic27
- phosphatases22
- phosphatides23
- phosphatidic26
- phosphatidyl26
- phosphatized32
- phosphatizes31
- phosphaturia23
- phytophagous27
- polyurethane22
- predischarge23
- prepurchased25
- prepurchases24
- prothalamion22
- prothalamium25
- prothalluses20
- rechallenged23
- rechallenges22
- rechanneling23
- rechannelled22
- rechargeable23
- rechartering20
- reemphasized30
- reemphasizes29
- rehabilitant19
- rehabilitate18
- reinhabiting21
- reproachable24
- repurchasing24
- researchable21
- rhabdocoeles22
- rhabdomancer25
- rhapsodizing30
- saccharified24
- saccharifies23
- saccharinity23
- saccharoidal22
- saprophagous23
- scrimshander22
- scrimshawing26
- shabbinesses21
- shacklebones26
- shadowboxing31
- shadowgraphs25
- shadowgraphy27
- shagginesses19
- shamefacedly27
- shamefulness23
- shareability20
- sharecropped24
- sharecropper23
- shareholders18
- sharpshooter19
- shatteringly20
- shatterproof20
- shortchanged23
- shortchanger22
- shortchanges22
- slaphappiest24
- sledgehammer24
- spirochaetes20
- steeplechase21
- stickhandled25
- stickhandler24
- stickhandles24
- stomachaches25
- straphangers20
- straphanging23
- stringhalted19
- strophanthin21
- supercharged24
- supercharger23
- supercharges23
- superhardens20
- sycophancies26
- sycophantish25
- sycophantism26
- telencephala23
- thalassaemia18
- thalassemias18
- thalassemics21
- thalassocrat18
- thalidomides20
- thallophytes23
- thallophytic26
- thankfullest25
- thankfulness25
- thanksgiving28
- thaumaturges21
- thaumaturgic24
- thermohaline21
- transshaping21
- trenchancies22
- triphosphate22
- triumphalism25
- triumphalist22
- triumphantly25
- trochanteral19
- trochanteric21
- trophallaxes26
- trophallaxis26
- tryptophanes23
- turbocharged24
- turbocharger23
- unbreachable26
- unbreathable23
- unchallenged25
- unchangeable26
- unchangeably28
- unchangingly28
- unchaperoned24
- uncharitable23
- uncharitably25
- unchasteness20
- unchastities19
- undercharged23
- undercharges22
- undischarged23
- unhandsomely24
- unharnessing20
- unmechanized33
- unquenchable34
- unsearchable23