13 letters
- multibillions24
- multibranched28
- multibuilding27
- multicellular25
- multichannels26
- multicultural25
- multicurrency28
- multiemployer27
- multifilament26
- multifunction27
- multihospital24
- multimegatons24
- multimegawatt26
- multimetallic26
- multimillions24
- multinational21
- multinucleate24
- multiorgasmic26
- multiparticle25
- multiplicands27
- multipolarity24
- multiregional22
- multispectral25
- multistranded21
- multisyllabic28
- multitalented21
- multitaskings25
- multiterminal23
- multitracking28
- multitrillion21
- multitudinous22
- multivalences27
- multivariable26
- multivitamins26
- mummification30
- mundanenesses21
- municipalized35
- municipalizes34
- murderousness20
- muscularities22
- musicianships26
- musicological27
- musicologists23
- mutagenically27
- mutualization29
- mycetophagous29
- mycobacterial28
- mycobacterium31
- mycologically31
- myelencephala29
- myelofibroses25
- myelofibrosis25
- myelofibrotic28
- myocarditises22
- myoelectrical26
- myrmecologies27
- myrmecologist27
- myrmecophiles30
- mystification25
- mythographers27
- mythographies27
- mythologizers32
- mythologizing35
- mythopoetical27