N1O1C3T1I1L1U1C3E1N1T1
15 points
NOCTILUCENT is validvalid
shining in the dark, often used of clouds that are luminous at night, also NOCTILUCOUS
shining in the dark, often used of clouds that are luminous at night, also NOCTILUCOUS
shining in the dark, often used of clouds that are luminous at night, also NOCTILUCOUS
shining in the dark, often used of clouds that are luminous at night, also NOCTILUCOUS