Mens (ment-is), the mind; mental, comment.
Mereo (merit-um), I deserve; merit, meretricious.
Mergo (mers-um), I dip; submerge, immersion.
Merx (merc-is), goods; merchant, commerce, mercantile.
Miles (milĭt-is), a soldier; military, militant, militia.
Mille, a thousand; mile, million.
Miror, I admire; admire, miracle, mirage.
Misceo, I mix; miscellaneous, promiscuous.
Mitto (miss-um), I send; mission, missile, remittance.
Mŏdus, a measure; modify, mood, accommodate.