Following are all the overboss like words, in the list below.
UNDERBOSS
100% like overboss
GRANDBOSS
100% like overboss
CRIME LORD
100% like overboss
GANGLORD
100% like overboss
BOSS
100% like overboss
SUPERBOSS
100% like overboss
BOSSMAN
100% like overboss
CAPO
100% like overboss
MR. BIG
100% like overboss
MOBSTER
100% like overboss
OVERCHIEF
100% like overboss
OVERLORD
100% like overboss
UNDERCHIEF
100% like overboss
JEFE
100% like overboss
UNDERCHEF
100% like overboss
HENCHMAN
100% like overboss
GANGSTER
100% like overboss
ENFORCER
100% like overboss
UNDERCOMMANDER
100% like overboss
THIEF IN LAW
100% like overboss
MAESTRO
100% like overboss
CAPATAZ
100% like overboss
CONSIGLIERE
100% like overboss
HEAD HONCHO
100% like overboss
OVERCLERK
100% like overboss
UNDERGOVERNOR
100% like overboss
BOSS BOY
100% like overboss
UNDERLING
100% like overboss
SUBOFFICER
100% like overboss
OVERSMAN
100% like overboss
SUBOVERSEER
100% like overboss
UNDERCHIEFTAIN
100% like overboss
CRONY
100% like overboss
GANGLEADER
100% like overboss
UNDERBAILIFF
100% like overboss
UNDEROFFICER
100% like overboss
DICTATOR
100% like overboss
UNDERJAILER
100% like overboss
CAPOREGIME
100% like overboss
CRIMELORD
100% like overboss
UNDERMASTER
100% like overboss
DRUG BARON
100% like overboss
GANGMATE
100% like overboss
SACHEM
100% like overboss
HONCHO
100% like overboss
HOODLUM
100% like overboss
BWANA
100% like overboss
TOP DOG
100% like overboss
KLEPTOCRAT
100% like overboss
UNDERAGENT
100% like overboss
GOVERNOR
100% like overboss
OVERPERSON
100% like overboss
SECOND-IN-COMMAND
100% like overboss
DRUGLORD
100% like overboss
UNDEROFFICIAL
100% like overboss
BANDIT
100% like overboss
UNDERCLERK
100% like overboss
DOUBLE-CROSSER
100% like overboss
UNDERSHEPHERD
100% like overboss
GANGLANDER
100% like overboss
SUPEROVERLORD
100% like overboss
HEAD MAN
100% like overboss
COLLECTOR
100% like overboss
YAKUZA
100% like overboss
COSUPERVISOR
100% like overboss
WARLORD
100% like overboss
JOBSTER
100% like overboss
UNDERJANITOR
100% like overboss
UNDERCOVER
100% like overboss
BAHS
100% like overboss
UNDERWARDEN
100% like overboss
SPYMASTER
100% like overboss
BALEBOS
100% like overboss
HIGHER-UP
100% like overboss
UNDERLAWYER
100% like overboss
UNDERMANAGER
100% like overboss
PARTNER IN CRIME
100% like overboss
SUPREMO
100% like overboss
OVERTAKER
100% like overboss
COCHIEF
100% like overboss
WAR CHIEF
100% like overboss
UNDERMINER
100% like overboss
BIG CHEESE
100% like overboss
OUTLAW
100% like overboss
OVERMAN
100% like overboss
MINIBOSS
100% like overboss
UNDERSERVANT
100% like overboss
POOBAH
100% like overboss
OYABUN
100% like overboss
OVERPOWERER
100% like overboss
UNDERTYRANT
100% like overboss
UNDERTUTOR
100% like overboss
SUPERCRIMINAL
100% like overboss
CHIEF
100% like overboss
UNDERRANGER
100% like overboss
GROUP LEADER
100% like overboss
LEADER
100% like overboss
TOPPER
100% like overboss
FRIEND OF OURS
100% like overboss
UNDERMINISTER
100% like overboss