maco-ʽliccoᶰ [Makolikon] (toponym).
mag-antĭā [Magantia] (insular toponym).
magĭā [Magia] (toponym).
magĭ-ānos [Magianus] (theonym).
magĭ-īsos [Magisus] (theonym).
magi-māros [Magimarus] (anthroponym).
magĭo-māros [Magiomarus] (anthroponym).
magĭo-rīx [Magiorix] (anthroponym; theonym).
magĭo-ŭindos [Magiouindus] (anthroponym).
maglā [Magla] (theonym).
maglo-ˠnos [Maclonos] (anthroponym).
maglo-mato-ˠnĭos [Maglomatonius] (theonym).
magl-ʽonĭā [Maglonia] (toponym).
maglo-ʽriĭos [Maglorius] (anthroponym).
maglos [Magilos; Magalos] (anthroponym).
magnā [Magna] (toponym).
magnīs [Magnis] (toponym).
magu-ʽriĭā [Maguria] (anthroponym).
magu-ʽriĭos [Magurius] (anthroponym).
magu-rīx [Magurix] (anthroponym).
magu-satĭā [Magusatia] (anthroponym).
magutīs [Magutis] (theonym).
magŭ-us-ānos [Magusanus] (theonym).
māĭā [Maia] (insular toponym).
māĭŏ-dūnā [Maiduna] (theonym).
māĭom [Maium] (toponym).
māĭonā [Maiona] (insular toponym).
mal-acā [Malaca Ins.] (insular toponym).
mal-aʽĭos [Malæus; Malaius] (toponym).
maldos [Maldi] (ethnonym).
mallĭ-ānos [Mallianus] (anthroponym).
mandu-bilos [Mandubilus] (anthroponym).
mandŭ-eᶰ-sedom [Manduesedum] (toponym).
mandŭillā [Manduilla] (anthroponym).
mandu-mracĭos [Mandubracios] (anthroponym).
mandŭo-rīx [Manduorix] (anthroponym).
mandŭ-ʽubĭos [Mandubii] (ethnonym).
mant-ʽalā [Mantala] (toponym).
mant-ʽalo-magūs [Mantalomagus] (toponym).
mant-oŭonos [Mantounus] (theonym).
mappillā [Mapilla] (anthroponym).
mappillĭ-ānos [Mapilianus] (anthroponym).
mappillĭos [Mapilius] (anthroponym).
mapp-ʽonĭī [Maponi] (lacustrine hydronym).
mappo-ʽritum [Maporitum] (toponym).
mappo-rīx [Maporix] (anthroponym).
mār-ad-magĭos [Maramagius] (theonym).
marco-magūs [Marcomagus] (toponym).
marcos [Marcos] (theonym).
marco-senā [Marcosena] (anthroponym).
margi-dūnom [Margidunum] (toponym).
māriccos [Mariccus] (anthroponym).
māri-mogĭos [Marimogius] (theonym).
mārŏ-mogĭos [Marmogius] (theonym).
māro-ŭiros [Marouirus] (anthroponym).
mater-ˠnĭā [Maternia] (anthroponym).
matoᶰ [Mato] (anthroponym).
mātrā [Matra] (fluvial hydronym).
mātronā [Matrona] (fluvial hydronym).
mātronā [Matrona] (oronym; theonym).
mattĭācā [Mattiaca; Mattiaco-] (ethnonym; theonym).
matto-ˠnĭos [Mattonius] (anthroponym).
matu-bergennis [Matuberginnis] (theonym).
matu-caˠĭom [Matucaium] (toponym).
matu-cenĭā [Matucenia] (anthroponym).
matu-cenos [Matucenus] (anthroponym).
matu-genā [Matugena] (anthroponym).
matu-genĭā [Matugenia] (anthroponym).
matu-genos [Matugenos] (anthroponym).
matu-gentā [Matugenta] (anthroponym).
matu-gentos [Matugentus] (anthroponym).
matu-gnātā [Matugnata] (anthroponym).
matu-ˠnos [Matunus] (theonym).
matu-māros [Matumarus] (anthroponym).
matŭ-ʽorcos [Maturcus] (anthroponym).
matu-rīx [Maturix] (anthroponym).
mat-ūros [Maturus] (anthroponym).
medicā [Medica] (theonym).
medi-genos [Medigenus] (theonym).
medi-laŭinos [Medilauinus] (theonym).
medĭo-bō-gdom [Mediobogdum] (toponym).
medĭo-cantos [Mediocantus] (toponym).
medĭo-crāʽ-aros [Mediocrarus] (theonym).
medĭo-nemetom [Medionemetum] (toponym).
med-ocĭos [Medocius] (theonym).
medros [Medros] (theonym).
medŭācos [Medoacus; Meduacus] (fluvial hydronym; toponym).
medu-cenā [Meducena] (anthroponym).
medu-cenos [Meducenus] (anthroponym).
medu-cenos [Meducinus] (anthroponym).
meducos [Meduci] (ethnonym).
medu-genā [Medugena] (anthroponym).
medu-genos [Medugenos] (anthroponym] [theonym).
medu-genos [Meduginus] (anthroponym).
medu-ˠnā [Meduna] (theonym).
medu-ŭēnos [Medueinus; Meduenus] (anthroponym).
meldĭā [Meldia] (toponym).
meldĭos [Meldius] (theonym).
meldos [Meldi] (ethnonym).
melitsŧos [melissus] (adj). sweet.
mello-sedom [Mellosedum] (toponym).
mel-oŭĭos [Melouius] (theonym).
mencĭos [Mincius] (fluvial hydronym).
menco-ˠnis [Minconis] (anthroponym).
mertr-onnos [Mertronnus] (theonym).
metĭo-sedom [Metiosedum] (toponym).
metlo-sedom [Meclosedum; Mellosedum; Metlosedum] (toponym).
meţsŧĭ-ānos [Methianus] (anthroponym).
meţsŧiccos [Messiccus] (anthroponym).
meţsŧicos [Meddicus] (anthroponym).
meţsŧi-gnātĭos [Meddignatius] (anthroponym).
meţsŧillā [Meddila] (anthroponym).
meţsŧillā [Messilla] (anthroponym).
meţsŧillĭos [Meddillius] (anthroponym).
meţsŧillos [Meddillus; Meddilus] (anthroponym).
meţsŧillos [Medsillus] (anthroponym).
meţsŧillos [Messilus] (anthroponym).
meţsŧĭos [Messius] (anthroponym).
meţsŧu-gnātos [Meddugnatus] (anthroponym).
meţsŧus [Meddus] (anthroponym).
mīlit-dūnom [Milidunum] (toponym).
mīnā [mīna] (nf). ore mine.
minno-dūnom [Minnodunum] (toponym).
mīro-brigā [Mirobriga] (toponym).
mlāt-eʽeroᶰ [Blatero] (anthroponym).
mlāto-bolgĭom [Blatobulgium] (toponym).
mlāto-magūs [Blatomagos] (toponym).
moccĭā [Moccia] (anthroponym).
moccilloᶰ [Moccilo] (anthroponym).
moccĭos [Moccius] (anthroponym).
moccos [Moccus] (anthroponym; theonym).
mogĭ-ancus [Mogiancus] (anthroponym).
mogillo-ˠnĭos [Mogillonius] (anthroponym).
mogilloᶰ [Mogillo] (anthroponym).
mogĭoᶰ [Mogio] (anthroponym).
mogu-ˠnos [Mogunos] (anthroponym).
moltī-ˠnos [Moltinus] (theonym).
monā [Mona] (insular toponym).
mon-apĭā [Monapia] (insular toponym).
moric-ambī [Moricambe] (fluvial hydronym).
mori-camulos [Moricamulus] (anthroponym).
moricos [Moricus] (anthroponym).
mori-dūnom [Moridunum] (toponym).
mori-ˠnos [Morini] (ethnonym).
mori-mār-usā [Morimarusa] (hydronym). .
mori-rīx [Morirex] (anthroponym).
mori-tasgos [Moritasgos] (anthroponym] [theonym).
mori-ŭʽaţsŧos [Moriuassus] (anthroponym).
morŏ-ˠdiĭ-acos [Mordiacus] (oronym).
morŏ-gennom [Morginnum] (toponym).
moros [Morus] (theonym).
mosā [Mosa] (fluvial hydronym).
mosellā [Mosella; Mosela] (fluvial hydronym).
mosi-cāitos [Mosicaitus] (anthroponym).
mosŏ-gāitos [Mosgaitus] (anthroponym).
moso-magūs [Mosomagus] (toponym).
moxĭos [Moxius] (anthroponym).
mriċtā [Bricta] (theonym).
mriċtoᶰ [Bricto] (anthroponym).
mrogĭā [Brogia] (anthroponym).
mrogĭ-duḃos [Brogduos] (anthroponym; theonym).
mrogi-malīnos [Brogimalinus] (anthroponym).
mrogi-mārā [Brogimara] (anthroponym).
mrogi-māros [Brogimarus] (anthroponym).
mrogi-tarŭŏs [Brogitaros] (anthroponym).
mrogi-tarŭŏs [Brogitarus] (anthroponym).
mulloᶰ [Mullo] (theonym).