Following are all the undercovered like words, in the list below.
CLOAK-AND-DAGGER
100% like undercovered
HOLE-AND-CORNER
100% like undercovered
CLANDESTINE
100% like undercovered
COVERT
100% like undercovered
SURREPTITIOUS
100% like undercovered
ON THE QUIET
100% like undercovered
SECRET
99.99% like undercovered
HUSH-HUSH
99.99% like undercovered
HUGGER-MUGGER
99.99% like undercovered
UNDERGROUND
99.54% like undercovered
SECRETIVE
66.69% like undercovered
SECRECY
66.69% like undercovered
CONFIDENTIAL
66.69% like undercovered
CONFIDENTIALITY
66.68% like undercovered
DISGUISED
66.68% like undercovered
HEDGING
66.68% like undercovered
HIDDEN
66.66% like undercovered
ILLEGAL
66.66% like undercovered
INSIDE
66.62% like undercovered
INCOGNITO
66.61% like undercovered
IRREGULAR
66.59% like undercovered
INVISIBLE
66.58% like undercovered
ANONYMOUS
66.57% like undercovered
NARC
66.56% like undercovered
AGENT
66.56% like undercovered
CIVILIAN
66.54% like undercovered
CLASSIFIED
66.53% like undercovered
CIVIL
66.52% like undercovered
PLAIN-CLOTHES
66.49% like undercovered
OFFICER
66.48% like undercovered
BACKDOOR
66.48% like undercovered
UNMARKED
66.48% like undercovered
COVERAGE
66.42% like undercovered
JOURNALIST
66.4% like undercovered
WAY
66.39% like undercovered
SEEPAGE
66.38% like undercovered
COVER
66.36% like undercovered
LID
66.36% like undercovered
INFILTRATION
66.32% like undercovered
BLANKET
66.25% like undercovered
CAP
66.2% like undercovered
LOW
66.16% like undercovered
SUBMARINE
66.15% like undercovered
COUVERTURE
65.63% like undercovered
NARCS
33.39% like undercovered
UNDEREXAMINED
33.39% like undercovered
UNDERCAUTIOUS
33.39% like undercovered
UNDERDEFENDED
33.39% like undercovered
UNDERSUNG
33.39% like undercovered
UNDERASSURED
33.39% like undercovered
UNDERWRAPPED
33.39% like undercovered
UNDERFINANCED
33.39% like undercovered
UNDERPROVIDED
33.39% like undercovered
UNDERCONSIDERED
33.39% like undercovered
UNDERCAPITALED
33.39% like undercovered
UNDERLOVED
33.39% like undercovered
UNDER-ATTENDED
33.39% like undercovered
UNDER
33.39% like undercovered
UNDERRESPECTED
33.39% like undercovered
UNDERENDOWED
33.39% like undercovered
UNDERRESERVED
33.39% like undercovered
UNDERREALIZED
33.39% like undercovered
UNDERINSURED
33.39% like undercovered
UNDERDEFINED
33.39% like undercovered
UNDERMANNED
33.39% like undercovered
UNDERPADDED
33.39% like undercovered
UNDEREXPERIENCED
33.39% like undercovered
UNDERMONEYED
33.39% like undercovered
UNDERIMAGINED
33.39% like undercovered
UNDERCONFIDENT
33.39% like undercovered
UNDERPUNISHED
33.39% like undercovered
UNDERDONE
33.39% like undercovered
UNDERINFORMED
33.39% like undercovered
UNDERCAPITALIZED
33.39% like undercovered
UNDERACKNOWLEDGED
33.39% like undercovered
UNDERDRESSED
33.39% like undercovered
UNDERPOLICED
33.39% like undercovered
UNDERHEARD
33.39% like undercovered
UNDERCELEBRATED
33.39% like undercovered
POOR
33.39% like undercovered
UNDERADVANTAGED
33.39% like undercovered
UNDERHOUSED
33.39% like undercovered
UNDERLIT
33.39% like undercovered
UNDERSERVED
33.39% like undercovered
UNDERCLAD
33.39% like undercovered
UNDERSCRUPULOUS
33.39% like undercovered
UNDERIMPROVED
33.39% like undercovered
UNDERCROWDED
33.39% like undercovered
UNDERWEIGHT
33.39% like undercovered
UNDERREPRESENTED
33.39% like undercovered
UNDEREQUIPPED
33.39% like undercovered
UNDER-REPRESENTED
33.39% like undercovered
UNDERDECIDED
33.39% like undercovered
UNDERAPPRECIATED
33.39% like undercovered
UNDEREDUCATED
33.39% like undercovered
UNDERACCOMPLISHED
33.39% like undercovered
UNDER-ENDOWED
33.39% like undercovered
UNDERCOMPENSATORY
33.39% like undercovered
UNDERINVENTORIED
33.39% like undercovered
UNDERTOOLED
33.39% like undercovered