Following are all the immutably like words, in the list below.
UNCHANGEABLY
100% like immutably
UNALTERABLY
100% like immutably
UNASSAILABLY
100% like immutably
IMMOVABLY
33.44% like immutably
INTRACTABLY
33.44% like immutably
INERADICABLY
33.44% like immutably
ETERNALLY
33.44% like immutably
INVINCIBLY
33.44% like immutably
INFLEXIBLY
33.44% like immutably
IMPREGNABLY
33.44% like immutably
INVIOLABLY
33.44% like immutably
INTRANSIGENTLY
33.44% like immutably
UNSHAKABLY
33.44% like immutably
SACREDLY
33.44% like immutably
INTRINSICALLY
33.44% like immutably
INCONTROVERTIBLY
33.44% like immutably
INDIVISIBLY
33.44% like immutably
IMMORTALLY
33.44% like immutably
IMPLACABLY
33.44% like immutably
UNCHANGINGLY
33.44% like immutably
AMORPHOUSLY
33.44% like immutably
IRREVOCABLY
33.44% like immutably
INSCRUTABLY
33.44% like immutably
INESCAPABLY
33.44% like immutably
DIVINELY
33.44% like immutably
IMMATERIALLY
33.44% like immutably
UNWAVERINGLY
33.44% like immutably
UNBENDINGLY
33.44% like immutably
INCOMPATIBLY
33.44% like immutably
EVERLASTINGLY
33.44% like immutably
MUTABLE
33.44% like immutably
INFALLIBLY
33.44% like immutably
IRREVERSIBLY
33.44% like immutably
DURABLY
33.44% like immutably
UNFALTERINGLY
33.44% like immutably
INDISSOLUBLY
33.44% like immutably
RIGIDLY
33.44% like immutably
ABIDINGLY
33.44% like immutably
IRREFUTABLY
33.44% like immutably
THEISTICALLY
33.44% like immutably
EPHEMERALLY
33.44% like immutably
AXIOMATICALLY
33.44% like immutably
TAUTOLOGICALLY
33.44% like immutably
FELICITOUSLY
33.44% like immutably
HEGEMONICALLY
33.44% like immutably
PERNICIOUSLY
33.44% like immutably
OBSERVABLY
33.44% like immutably
PRIMORDIALLY
33.44% like immutably
PRISTINELY
33.44% like immutably
TIMELESSLY
33.44% like immutably
INVISIBLY
33.44% like immutably
UNSHAKEABLY
33.44% like immutably
TRANSCENDENTALLY
33.44% like immutably
ANTITHETICALLY
33.44% like immutably
DIALECTICALLY
33.44% like immutably
UNCHANGING
33.44% like immutably
INEXTRICABLY
33.44% like immutably
UNALTERABLE
33.44% like immutably
MAGISTERIALLY
33.44% like immutably
SUBORDINATELY
33.44% like immutably
ANARCHICALLY
33.44% like immutably
INSEPARABLY
33.44% like immutably
INDELIBLY
33.44% like immutably
WONDROUSLY
33.44% like immutably
LUMINOUSLY
33.44% like immutably
UNERRINGLY
33.44% like immutably
PERPETUALLY
33.44% like immutably
INACCESSIBLY
33.44% like immutably
UNIMPEACHABLY
33.44% like immutably
INEXACTLY
33.44% like immutably
IRREPROACHABLY
33.44% like immutably
DISPOSITIONALLY
33.44% like immutably
METAPHYSICALLY
33.44% like immutably
INERTLY
33.44% like immutably
IMPERFECTLY
33.44% like immutably
OBDURATELY
33.44% like immutably
TELEOLOGICALLY
33.44% like immutably
FRAGILELY
33.44% like immutably
IDIOSYNCRATICALLY
33.44% like immutably
DISCRIMINATINGLY
33.44% like immutably
MATRIMONIALLY
33.44% like immutably
UTTERLY
33.44% like immutably
DOGMATICALLY
33.44% like immutably
ONTOLOGICALLY
33.44% like immutably
CELESTIALLY
33.44% like immutably
TRANSMUTABLE
33.44% like immutably
ENDURINGLY
33.44% like immutably
UNCHANGEABLE
33.44% like immutably
IMPERTURBABLY
33.44% like immutably
INALIENABLY
33.44% like immutably
TRANSCENDENTLY
33.44% like immutably
EPISTEMOLOGICALLY
33.44% like immutably
SINGULARLY
33.44% like immutably
OMNISCIENTLY
33.44% like immutably
ARISTOCRATICALLY
33.44% like immutably
SUBLATED
33.44% like immutably
IRREMEDIABLY
33.44% like immutably
REFERENTIALLY
33.44% like immutably
INDIVIDUALISTICALLY
33.44% like immutably
RESPLENDENTLY
33.44% like immutably