Following are all the unsign like words, in the list below.
SIGNED
100% like unsign
UNCOMMITTED
99.14% like unsign
UNALLOCATED
98.83% like unsign
UNASSIGNED
98.79% like unsign
UNMAPPED
98.78% like unsign
UNENROLL
50.06% like unsign
UNVERIFY
50.06% like unsign
UNSTAMP
50.06% like unsign
UNMARK
50.06% like unsign
UNENDORSE
50.06% like unsign
UNSTATE
50.06% like unsign
UNTAG
50.06% like unsign
UNRECORD
50.06% like unsign
UNCONNECT
50.06% like unsign
UNHOOK
50.06% like unsign
UNATTACH
50.06% like unsign
UNPUBLISH
50.06% like unsign
UNENROL
50.06% like unsign
UNPACKAGE
50.06% like unsign
UNSPECIFY
50.06% like unsign
UNCERTIFY
50.06% like unsign
UNGRANT
50.06% like unsign
UNSTACK
50.06% like unsign
UNPROMISE
50.06% like unsign
UNAUTHORIZE
50.06% like unsign
UNCOMMIT
50.06% like unsign
UNTRACE
50.06% like unsign
UNMAKE
50.06% like unsign
UNHAT
50.06% like unsign
UNAFFILIATE
50.06% like unsign
UNSADDLE
50.06% like unsign
UNBUTTON
50.06% like unsign
UNMASK
50.06% like unsign
DISENROLL
50.06% like unsign
UNSEAL
50.06% like unsign
UNSING
50.06% like unsign
UNPERSONIFY
50.06% like unsign
UNFILE
50.06% like unsign
UNNAME
50.06% like unsign
UNBOX
50.06% like unsign
UNORDER
50.06% like unsign
UNBIND
50.06% like unsign
UNJOIN
50.06% like unsign
DECERTIFY
50.06% like unsign
UNSUBSCRIBE
50.06% like unsign
UNPLACE
50.06% like unsign
UNMEMBER
50.06% like unsign
UNENCHANT
50.06% like unsign
UNSIN
50.06% like unsign
UNBOLT
50.06% like unsign
UNSTRAP
50.06% like unsign
UNPIN
50.06% like unsign
UNSTRING
50.06% like unsign
UNAPPOINT
50.06% like unsign
UNENCAPSULATE
50.06% like unsign
UNBAR
50.06% like unsign
UNSTAR
50.06% like unsign
UNCLAMP
50.06% like unsign
UNSCHEDULE
50.06% like unsign
UNPROOF
50.06% like unsign
UNCAP
50.06% like unsign
UNBUILD
50.06% like unsign
UNLINK
50.06% like unsign
UNRELEASE
50.06% like unsign
UNINSULATE
50.06% like unsign
DETACH
50.06% like unsign
DEAUTHENTICATE
50.06% like unsign
UNSELF
50.06% like unsign
UNCHOOSE
50.06% like unsign
UNBESPEAK
50.06% like unsign
UNCOUPLE
50.06% like unsign
UNCROSS
50.06% like unsign
UNWALLET
50.06% like unsign
UNBANK
50.06% like unsign
UNFASTEN
50.06% like unsign
UNLEGISLATE
50.06% like unsign
UNREAD
50.06% like unsign
UNBRACE
50.06% like unsign
UNLICENSE
50.06% like unsign
UNPEN
50.06% like unsign
UNTHREAD
50.06% like unsign
UNINVENT
50.06% like unsign
UNINVITE
50.06% like unsign
UNQUALIFY
50.06% like unsign
UNTAX
50.06% like unsign
UNBANDAGE
50.06% like unsign
UNFILL
50.06% like unsign
UNWRAP
50.06% like unsign
DELINK
50.06% like unsign
UNMARRY
50.06% like unsign
UNCLAIM
50.06% like unsign
UNTRUCK
50.06% like unsign
TAKE OFF
50.06% like unsign
BACK OUT
50.06% like unsign
REMOVE
50.06% like unsign
UNWORK
50.06% like unsign
UNPROTECT
50.06% like unsign
UNHEDGE
50.06% like unsign
UNLEAVE
50.06% like unsign
UNTETHER
50.06% like unsign