M3U1L1T1I1T1U1D2I1N1O1U1S1
16 points
MULTITUDINOUS is validvalid
having a multitude [adj] : MULTITUDINOUSLY [adv]
existing in a great multitude [adj MULTITUDINOUSLY]
having a multitude [adj] : MULTITUDINOUSLY [adv]
existing in a great multitude [adj MULTITUDINOUSLY]