Following are all the undefended like words, in the list below.
UNDEFENDABLE
100% like undefended
VULNERABLE
99.87% like undefended
ASSAILABLE
99.71% like undefended
OPEN
99.61% like undefended
UNPROTECTED
66.69% like undefended
DEFENCE
66.2% like undefended
UNGUARDED
33.4% like undefended
DEFENCELESS
33.4% like undefended
DEFENSELESS
33.4% like undefended
UNFORTIFIED
33.4% like undefended
UNPOLICED
33.4% like undefended
UNDESTROYED
33.4% like undefended
UNATTACKED
33.4% like undefended
DEFENCES
33.4% like undefended
UNTHREATENED
33.4% like undefended
UNARMED
33.4% like undefended
UNINVADED
33.4% like undefended
UNALLIED
33.4% like undefended
UNWALLED
33.4% like undefended
INDEFENSIBLE
33.4% like undefended
UNOCCUPIED
33.4% like undefended
UNSUPPLIED
33.4% like undefended
UNMOLESTED
33.4% like undefended
IMPREGNABLE
33.4% like undefended
UNHARASSED
33.4% like undefended
UNINHABITED
33.4% like undefended
UNTOUCHED
33.4% like undefended
UNBREACHED
33.4% like undefended
UNCONTESTED
33.4% like undefended
UNPOPULATED
33.4% like undefended
UNDEVELOPED
33.4% like undefended
UNCHALLENGED
33.4% like undefended
DEFENDERS
33.4% like undefended
UNASSAILED
33.4% like undefended
UNSECURED
33.4% like undefended
DEFENDABLE
33.4% like undefended
PREGNABLE
33.4% like undefended
FORTRESSES
33.4% like undefended
UNARMORED
33.4% like undefended
UNATTACKABLE
33.4% like undefended
GARRISONS
33.4% like undefended
DEFENSES
33.4% like undefended
GARRISON
33.4% like undefended
HELPLESS
33.4% like undefended
UNCONQUERED
33.4% like undefended
UNPURSUED
33.4% like undefended
UNOPPOSED
33.4% like undefended
INPENETRABLE
33.4% like undefended
DENUDED
33.4% like undefended
OUTPOSTS
33.4% like undefended
UNPROVIDED
33.4% like undefended
UNPEOPLED
33.4% like undefended
UNPENETRABLE
33.4% like undefended
UNHINDERED
33.4% like undefended
OUTLYING
33.4% like undefended
BESIEGING
33.4% like undefended
ATTACKING
33.4% like undefended
UNINVOLVED
33.4% like undefended
ABANDONED
33.4% like undefended
UNENGAGED
33.4% like undefended
DESERTED
33.4% like undefended
ENEMY
33.4% like undefended
BESIEGED
33.4% like undefended
WEAPONLESS
33.4% like undefended
ATTACK
33.4% like undefended
HOSTILE
33.4% like undefended
OVERRUN
33.4% like undefended
OVERRUNNING
33.4% like undefended
ATTACKABLE
33.4% like undefended
OUTFLANKING
33.4% like undefended
OUTFLANKED
33.4% like undefended
GUARDPOST
33.4% like undefended
GARRISONING
33.4% like undefended
RESOURCELESS
33.4% like undefended
UNPOSSESSED
33.4% like undefended
DEFEND
33.4% like undefended
UNCULTIVATED
33.4% like undefended
DESOLATED
33.4% like undefended
BASTIONED
33.4% like undefended
UNTRAMPLED
33.4% like undefended
IMPREGNABLY
33.4% like undefended
UNLIBERATED
33.4% like undefended
INVIOLATE
33.4% like undefended
ANNIHILATED
33.4% like undefended
ATTACKED
33.4% like undefended
UNSPOILED
33.4% like undefended
UNTENANTED
33.4% like undefended
UNCOLONIZED
33.4% like undefended
UNDERPOPULATED
33.4% like undefended
UNESCORTED
33.4% like undefended
SALIENTS
33.4% like undefended
INVADERS
33.4% like undefended
UNSUSPICIOUS
33.4% like undefended
ATTACKERS
33.4% like undefended
UNOFFENDING
33.4% like undefended
UNENCUMBERED
33.4% like undefended
INNOCENT
33.4% like undefended
DEFENDING
33.4% like undefended
UNREPRESENTED
33.4% like undefended
UNDETECTED
33.4% like undefended