Following are all the inextendible like words, in the list below.
UNEXTENDIBLE
100% like inextendible
NONEXTENDIBLE
100% like inextendible
UNEXTENDABLE
99.99% like inextendible
NONEXTENDABLE
99.99% like inextendible
UNEXTENSIBLE
99.98% like inextendible
INEXTENSIBLE
99.98% like inextendible
INTRANSFORMABLE
99.98% like inextendible
UNEXPANDABLE
99.97% like inextendible
UNINCLUDIBLE
99.97% like inextendible
INEXTENDED
99.96% like inextendible
NONEXPANDABLE
99.96% like inextendible
NONSTRETCHABLE
99.96% like inextendible
UNMODELLABLE
99.95% like inextendible
UNINCREASABLE
99.95% like inextendible
INTRANSFERABLE
99.94% like inextendible
INCONSTRUABLE
99.94% like inextendible
UNCONSTRUABLE
99.94% like inextendible
UNFLEXIBLE
99.93% like inextendible
UNEMENDABLE
99.93% like inextendible
UNEXTENDED
99.92% like inextendible
UNDEVELOPABLE
99.92% like inextendible
UNDEFINABLE
99.92% like inextendible
UNSPLICEABLE
99.91% like inextendible
UNBENDABLE
99.91% like inextendible
UNFLATTENABLE
99.9% like inextendible
UNSHORTENABLE
99.9% like inextendible
UNCONSTRAINABLE
99.9% like inextendible
NONCONSTRUABLE
99.89% like inextendible
NONFLEXIBLE
99.89% like inextendible
UNREITERABLE
99.88% like inextendible
UNREFINABLE
99.88% like inextendible
NONCONTINUABLE
99.88% like inextendible
UNEXTORTABLE
99.87% like inextendible
INCONVERTIBLE
99.87% like inextendible
UNNEGOTIABLE
99.86% like inextendible
UNINFERABLE
99.86% like inextendible
UNBOUNDABLE
99.86% like inextendible
NONINTEGRABLE
99.85% like inextendible
UNINHERITABLE
99.85% like inextendible
UNLIENABLE
99.84% like inextendible
UNEXPOUNDABLE
99.84% like inextendible
UNASCENDIBLE
99.84% like inextendible
UNINDENTABLE
99.83% like inextendible
NONTRANSFORMABLE
99.83% like inextendible
NONUNIFIABLE
99.82% like inextendible
UNEXPORTABLE
99.82% like inextendible
NONINHERITABLE
99.82% like inextendible
NONADAPTABLE
99.81% like inextendible
UNCONCRETIZABLE
99.81% like inextendible
NONATTACHABLE
99.8% like inextendible
UNENUMERABLE
99.8% like inextendible
UNLIQUIDATABLE
99.8% like inextendible
UNATTACHABLE
99.79% like inextendible
UNINVADABLE
99.79% like inextendible
UNHEWABLE
99.78% like inextendible
NONCONTRACTIBLE
99.78% like inextendible
UNCONFIGURABLE
99.78% like inextendible
INAVERTIBLE
99.77% like inextendible
UNASSERTABLE
99.77% like inextendible
UNFIGURABLE
99.76% like inextendible
UNDECONSTRUCTABLE
99.76% like inextendible
UNINSTANTIABLE
99.76% like inextendible
UNREVERTIBLE
99.75% like inextendible
UNINCLINABLE
99.75% like inextendible
NONPORTABLE
99.74% like inextendible
UNCAPSIZABLE
99.74% like inextendible
UNMULTIPLIABLE
99.74% like inextendible
UNEXEMPTIBLE
99.73% like inextendible
UNDIVINABLE
99.73% like inextendible
UNCLEARABLE
99.72% like inextendible
UNRECONFIGURABLE
99.72% like inextendible
UNENDORSABLE
99.72% like inextendible
NONEVOLVABLE
99.71% like inextendible
UNADAPTABLE
99.71% like inextendible
UNENRICHABLE
99.7% like inextendible
UNCLONABLE
99.7% like inextendible
NONEVALUABLE
99.7% like inextendible
UNMINIMIZABLE
99.69% like inextendible
NONEXTENSILE
99.69% like inextendible
UNADHERABLE
99.68% like inextendible
NONSHRINKABLE
99.68% like inextendible
UNIMPEDIBLE
99.68% like inextendible
NONCOMPARABLE
99.67% like inextendible
UNOPTIMIZABLE
99.67% like inextendible
UNSTRUCTURABLE
99.66% like inextendible
UNJOINABLE
99.66% like inextendible
UNFORMULABLE
99.66% like inextendible
UNMOULDABLE
99.65% like inextendible
UNCALLABLE
99.65% like inextendible
UNRETRACTILE
99.64% like inextendible
UNSTRETCHABLE
99.64% like inextendible
NONCHANGEABLE
99.64% like inextendible
UNDURABLE
99.63% like inextendible
UNSHAPABLE
99.63% like inextendible
UNDISINHERITABLE
99.62% like inextendible
NONEXPORTABLE
99.62% like inextendible
UNEXPOSABLE
99.62% like inextendible
UNFORTIFIABLE
99.61% like inextendible
NONREFINABLE
99.61% like inextendible
UNISOLABLE
99.6% like inextendible