The word mullen is the present form of mullir in the third person plural.
See the full mullir conjugation

mullir

LATAM
SpanishDict Phonetic Alphabet (SPA)
moo
-
yeer
International Phonetic Alphabet (IPA)
mu
-
ʝiɾ
Spanish Alphabet (ABC)
mu
-
llir
SPAIN
SpanishDict Phonetic Alphabet (SPA)
moo
-
yeer
International Phonetic Alphabet (IPA)
mu
-
ʝiɾ
Spanish Alphabet (ABC)
mu
-
llir
Learn more about pronunciation and the Spanish alphabet.
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