15 Letter Words Starting with M
There are 189 15-letter English words that start with M, ranging alphabetically from MACHINABILITIES to MUSICALIZATIONS. Top Scrabble® scorers on this list: MICROEARTHQUAKE (35), MICROTECHNIQUES (33), METHOXYFLURANES (33). Roughly 5% of these words end in E, so an E-hook on the board is worth watching for.
Word list
M
- MACHINABILITIES24 pts
- MACROAGGREGATED23 pts
- MACROAGGREGATES22 pts
- MACROCOSMICALLY28 pts
- MACROEVOLUTIONS22 pts
- MACROPHOTOGRAPH30 pts
- MACROSCOPICALLY28 pts
- MACROSTRUCTURAL21 pts
- MACROSTRUCTURES21 pts
- MAGISTRATICALLY23 pts
- MAGNANIMOUSNESS20 pts
- MAGNETOELECTRIC22 pts
- MAINTAINABILITY22 pts
- MAJORITARIANISM26 pts
- MALADMINISTERED21 pts
- MALADROITNESSES18 pts
- MALDISTRIBUTION20 pts
- MALICIOUSNESSES19 pts
- MALPRACTITIONER21 pts
- MANAGEABILITIES20 pts
- MANEUVERABILITY25 pts
- MARGINALIZATION27 pts
- MARKETABILITIES23 pts
- MARRIAGEABILITY23 pts
- MARTENSITICALLY22 pts
- MARVELOUSNESSES20 pts
- MASCULINIZATION28 pts
- MASOCHISTICALLY27 pts
- MASTERFULNESSES20 pts
- MASTOIDECTOMIES22 pts
- MATERFAMILIASES22 pts
- MATERIALIZATION26 pts
- MATHEMATIZATION31 pts
- MEANINGLESSNESS18 pts
- MEASURABILITIES19 pts
- MECHANISTICALLY27 pts
- MECHANOCHEMICAL31 pts
- MECHANORECEPTOR26 pts
- MEDULLOBLASTOMA22 pts
- MEGACORPORATION22 pts
- MEGAGAMETOPHYTE29 pts
- MEGASPOROPHYLLS28 pts
- MELLIFLUOUSNESS20 pts
- MELODIOUSNESSES18 pts
- MELODRAMATISING21 pts
- MELODRAMATIZING30 pts
- MEMORABLENESSES21 pts
- MENSURABILITIES19 pts
- MERCAPTOPURINES23 pts
- MERCENARINESSES19 pts
- MERCHANTABILITY27 pts
- MERCILESSNESSES19 pts
- MERCURIALNESSES19 pts
- MERITORIOUSNESS17 pts
- MEROBLASTICALLY24 pts
- METAFICTIONISTS22 pts
- METALINGUISTICS20 pts
- METALLOGRAPHERS23 pts
- METALLOGRAPHIES23 pts
- METALLURGICALLY23 pts
- METAMATHEMATICS26 pts
- METAMORPHICALLY29 pts
- METASTABILITIES19 pts
- METHAMPHETAMINE29 pts
- METHOXYFLURANES33 pts
- METHYLCELLULOSE25 pts
- METHYLMERCURIES27 pts
- METHYLPHENIDATE29 pts
- METHYLXANTHINES33 pts
- MICROANALYTICAL24 pts
- MICROANATOMICAL23 pts
- MICROBAROGRAPHS27 pts
- MICROBIOLOGICAL24 pts
- MICROBIOLOGISTS22 pts
- MICROCOSMICALLY28 pts
- MICRODISSECTION22 pts
- MICROEARTHQUAKE35 pts
- MICROELECTRODES22 pts
- MICROELECTRONIC23 pts
- MICROEVOLUTIONS22 pts
- MICROGAMETOCYTE27 pts
- MICROINJECTIONS28 pts
- MICROMANAGEMENT24 pts
- MICROMETEORITES21 pts
- MICROMETEORITIC23 pts
- MICROMETEOROIDS22 pts
- MICROMORPHOLOGY30 pts
- MICROPHOTOGRAPH30 pts
- MICROPHOTOMETER26 pts
- MICROPHOTOMETRY29 pts
- MICROPHYSICALLY32 pts
- MICROPOROSITIES21 pts
- MICROPROCESSORS23 pts
- MICROPROJECTION30 pts
- MICROPROJECTORS30 pts
- MICROPUBLISHERS26 pts
- MICROPUBLISHING27 pts
- MICROPULSATIONS21 pts
- MICRORADIOGRAPH26 pts
- MICROSCOPICALLY28 pts
- MICROSEISMICITY26 pts
- MICROSPORANGIUM24 pts
- MICROSPOROCYTES26 pts
- MICROSPOROPHYLL29 pts
- MICROSTRUCTURAL21 pts
- MICROSTRUCTURES21 pts
- MICROTECHNIQUES33 pts
- MICROTONALITIES19 pts
- MILITARIZATIONS26 pts
- MILLENARIANISMS19 pts
- MILLIONAIRESSES17 pts
- MINERALIZATIONS26 pts
- MINERALOGICALLY23 pts
- MINIATURIZATION26 pts
- MISAPPLICATIONS23 pts
- MISAPPREHENDING26 pts
- MISAPPREHENSION24 pts
- MISAPPROPRIATED24 pts
- MISAPPROPRIATES23 pts
- MISARTICULATING20 pts
- MISATTRIBUTIONS19 pts
- MISCALCULATIONS21 pts
- MISCEGENATIONAL20 pts
- MISCELLANEOUSLY22 pts
- MISCHARACTERIZE33 pts
- MISCHIEVOUSNESS25 pts
- MISCOMPUTATIONS23 pts
- MISCONSTRUCTION21 pts
- MISCORRELATIONS19 pts
- MISDESCRIPTIONS22 pts
- MISDISTRIBUTION20 pts
- MISERABLENESSES19 pts
- MISGUIDEDNESSES20 pts
- MISINFORMATIONS22 pts
- MISINTERPRETING20 pts
- MISMEASUREMENTS21 pts
- MISORIENTATIONS17 pts
- MISRECOLLECTION21 pts
- MISREGISTRATION18 pts
- MISREPRESENTING20 pts
- MISSIONIZATIONS26 pts
- MISTRANSCRIBING22 pts
- MISTRANSLATIONS17 pts
- MISTRUSTFULNESS20 pts
- MISUTILIZATIONS26 pts
- MISVOCALIZATION31 pts
- MODIFIABILITIES23 pts
- MOMENTARINESSES19 pts
- MOMENTOUSNESSES19 pts
- MONGRELIZATIONS27 pts
- MONOCHROMATISMS26 pts
- MONOCRYSTALLINE22 pts
- MONOMOLECULARLY24 pts
- MONONUCLEOSISES19 pts
- MONONUCLEOTIDES20 pts
- MONOPOLIZATIONS28 pts
- MONOPROPELLANTS21 pts
- MONOSACCHARIDES25 pts
- MONOSPECIFICITY29 pts
- MONOSYLLABICITY27 pts
- MONOUNSATURATED18 pts
- MONOUNSATURATES17 pts
- MONSTROUSNESSES17 pts
- MONTMORILLONITE19 pts
- MONUMENTALITIES19 pts
- MONUMENTALIZING29 pts
- MORPHOLOGICALLY28 pts
- MORPHOPHONEMICS31 pts
- MOUNTAINEERINGS18 pts
- MOUNTAINOUSNESS17 pts
- MOUNTEBANKERIES23 pts
- MOUTHWATERINGLY27 pts
- MULTIDISCIPLINE22 pts
- MULTIDIVISIONAL21 pts
- MULTIFUNCTIONAL22 pts
- MULTILATERALISM19 pts
- MULTILATERALIST17 pts
- MULTILINGUALISM20 pts
- MULTIMILLENNIAL19 pts
- MULTIPLICATIONS21 pts
- MULTIPOLARITIES19 pts
- MULTIPROCESSING22 pts
- MULTIPROCESSORS21 pts
- MULTIRACIALISMS21 pts
- MULTITUDINOUSLY21 pts
- MULTIWAVELENGTH27 pts
- MURDEROUSNESSES18 pts
- MUSCULOSKELETAL23 pts
- MUSICALIZATIONS28 pts
Point values shown are Scrabble® (letters only, before board bonuses). Browse deeper via the word-lists hub.
Top 10 highest-scoring words
Scored on letters only (no board bonuses). WWF uses different tile values from Scrabble — J, Q and Z are worth 10 points in WWF; X is worth 8.
| # | Word | Scrabble | WWF |
|---|---|---|---|
| 1 | microearthquake | 35 | 37 |
| 2 | microtechniques | 33 | 37 |
| 3 | methoxyfluranes | 33 | 35 |
| 4 | mischaracterize | 33 | 35 |
| 5 | methylxanthines | 33 | 34 |
| 6 | microphysically | 32 | 35 |
| 7 | mechanochemical | 31 | 36 |
| 8 | misvocalization | 31 | 36 |
| 9 | morphophonemics | 31 | 35 |
| 10 | mathematization | 31 | 33 |
Strategy for this list
M is worth 3 in Scrabble and starts ~5,500 words. M has three valuable two-letter words (MA, MI, MO, MU, MY) and pairs well with the vowels to form MP-, MN- and MB- endings in longer plays. M-openers with premium potential include MAZE, MAZY, MOLTZ. In Wordle, M is a mid-frequency opener; MR-, MU-, ME- clusters are the most common opening pairs.
FAQs
How many 15-letter words start with M?
189 valid 15-letter English words begin with M in the ENABLE English word list.
Are these valid in Wordle and Scrabble?
Words on this page come from the ENABLE English word list. UK Scrabble (Collins Scrabble Words) accepts the overwhelming majority; a handful may not be legal in the North American NASPA Word List (NWL2023).