Following are all the inopinate like words, in the list below.
INOPINABLE
100% like inopinate
INEXPECTABLE
100% like inopinate
INOPPORTUNE
100% like inopinate
IMPORTUNE
100% like inopinate
INAUSPICATE
100% like inopinate
UNAPT
100% like inopinate
UNTIMELY
100% like inopinate
UNLOOKED
100% like inopinate
INADVERTENT
100% like inopinate
INOBEDIENT
100% like inopinate
IMPROPITIOUS
100% like inopinate
INCONSIDERATE
100% like inopinate
INHABILE
100% like inopinate
UNCOVENABLE
100% like inopinate
UNAPPROPRIATE
100% like inopinate
INABLE
100% like inopinate
INEXPIATE
100% like inopinate
OPPORTUNELESS
100% like inopinate
INOPERATIVE
100% like inopinate
STRANGE
100% like inopinate
UNLUCKY
100% like inopinate
IMPROVISO
100% like inopinate
UNEXPEDIENT
100% like inopinate
UNSUCCEEDABLE
100% like inopinate
INTREATABLE
100% like inopinate
INEPT
100% like inopinate
UNCONSIDERATE
100% like inopinate
UNCAPABLE
100% like inopinate
INCONCEPTIBLE
100% like inopinate
INFORTUNATE
100% like inopinate
INCONCLUDING
100% like inopinate
IMPATIENT
100% like inopinate
UNPROVIDENT
100% like inopinate
UNPITOUS
100% like inopinate
UNFORESIGHTED
100% like inopinate
UNPOLICIED
100% like inopinate
UNVISITABLE
100% like inopinate
UNKNOWING
100% like inopinate
DISCONVENIENT
100% like inopinate
INVIOUS
100% like inopinate
TIMELESS
100% like inopinate
UNSORTED
100% like inopinate
INOPERABLE
100% like inopinate
INGRATE
100% like inopinate
INEXCOGITABLE
100% like inopinate
ILL-CONCEIVED
100% like inopinate
INEFFECTUALL
100% like inopinate
IGNORANT
100% like inopinate
INCOGNITANT
100% like inopinate
INCOGNOSCIBLE
100% like inopinate
UNADVISABLE
100% like inopinate
UNDIVINING
100% like inopinate
UNINTUITIVE
100% like inopinate
UNSEASONED
100% like inopinate
INAPPROPO
100% like inopinate
INOFFICIOUS
100% like inopinate
UNKINDLY
100% like inopinate
INOPPUGNABLE
100% like inopinate
INSINUANT
100% like inopinate
IMPATIBLE
100% like inopinate
UNPASSIBLE
100% like inopinate
UNCONNING
100% like inopinate
UNDISCREET
100% like inopinate
INAMIABLE
100% like inopinate
UNCONTRIVING
100% like inopinate
STILLBORN
100% like inopinate
REJECTANEOUS
100% like inopinate
UNPRUDENT
100% like inopinate
UNMEET
100% like inopinate
INCONCINNE
100% like inopinate
UNGAINLY
100% like inopinate
UNCOMPREHENSIVE
100% like inopinate
INEXPERT
100% like inopinate
IMPITEOUS
100% like inopinate
INCONSCIONABLE
100% like inopinate
IMPAIR
100% like inopinate
FORESIGHTLESS
100% like inopinate
UNQUALITIED
100% like inopinate
IMPOLITICK
100% like inopinate
INSULSE
100% like inopinate
INEXPEDIENT
100% like inopinate
UNKIND
100% like inopinate
UNFEATY
100% like inopinate
UNPRUDENTIAL
100% like inopinate
INVALETUDINARY
100% like inopinate
UNAVAILABLE
100% like inopinate
UNBRED
100% like inopinate
UNBEFITTING
100% like inopinate
INCAPABLE
100% like inopinate
INEXACT
100% like inopinate
UNHEEDY
100% like inopinate
UNAVOIDED
100% like inopinate
INITIATE
100% like inopinate
INCOMMODE
100% like inopinate
ULTRAPREDICTABLE
100% like inopinate
IMPRACTICABLE
100% like inopinate
IMPOLITICAL
100% like inopinate
INCONSISTING
100% like inopinate
INTEMPESTIVE
100% like inopinate
INAPROPO
100% like inopinate