Answer: comm

AnswerCrossword Clue
COMMNavy rank: Abbr.
commcommander
commcommerce
comma small wearable badge-shaped radio transmitter
commcommission
commcommittee
commcommonwealth
COMMCensus Bureau's cabinet dept.
COMMWays and Means is one, briefly
COMMWays and Means, e.g.: Abbr.
COMMPart of S.E.C.: Abbr.
COMMD.C. agency
COMMRank below a capt., at sea
COMMNaval officer: Abbr.
COMMNavy man: Abbr.
COMMCongressional group: Abbr.
COMMPart of ICC
COMMThe "C" in CREEP (abbr.)
COMMIt may be ad hoc (abbr.)
COMMRank below a capt.
COMMPt. of HUAC
COMMICC part: Abbr.
COMMAd hoc gp.