companion (n.)
- accompanist
- accompanyist
- ace
- adjunct
- ally
- amah
- amigo
- analogue
- associate
- attendant
- ayah
- bachelor
- back
- banneret
- baronet
- batten
- beak
- beam
- bear
- bedfellow
- biddy
- bitt
- board
- bodyguard
- bollard
- bow
- bridge
- brother
- buddy
- bulkhead
- bunkmate
- butty
- capstan
- carry
- cavalier
- ceiling
- centerboard
- chambermaid
- chaperon
- chaperone
- chevalier
- chum
- classmate
- cleat
- coadjutor
- cognate
- cohort
- colleague
- companion
- companionway
- company
- compatriot
- compeer
- complement
- comrade
- concomitant
- conduct
- conductor
- confederate
- confrere
- congenator
- congener
- consort
- convoy
- cook
- coordinate
- copartner
- copy
- correlate
- correlative
- correspondent
- counter
- counterpart
- crony
- daggerboard
- davit
- deadwood
- double
- duenna
- duplicate
- effigy
- enchiridion
- entrance
- equivalent
- escalier
- escort
- esquire
- fantail
- fellow
- figurehead
- forefoot
- foretop
- frame
- gangplank
- gangway
- gentlewoman
- girl
- gossip
- guard
- gudgeon
- guide
- gunnel
- gunwale
- handbook
- handmaid
- handmaiden
- hatch
- hatchway
- hawse
- hawsehole
- hawsepipe
- head
- heel
- housemaid
- icon
- idol
- image
- incline
- island
- keel
- keelson
- knee
- knight
- knight-errant
- lady-in-waiting
- landing
- larboard
- lee
- leeward
- like
- likeness
- maid
- maidservant
- manual
- match
- mate
- messmate
- miniature
- model
- nose
- nursemaid
- obverse
- pal
- parallel
- pard
- pardner
- parlormaid
- partner
- pendant
- photograph
- picture
- pintle
- planking
- playfellow
- playmate
- poop
- port
- porthole
- portrait
- post
- propeller
- prow
- pulpit
- rail
- ramp
- reciprocal
- reflection
- resemblance
- rib
- roommate
- rubbing
- rudder
- rudderpost
- rudderstock
- run
- safe-conduct
- schoolfellow
- schoolmate
- scupper
- scuttle
- scuttlebutt
- semblance
- shadow
- shelf
- shepherd
- shipmate
- sidekick
- similitude
- simulacrum
- sister
- skeg
- snorkel
- sociable
- soubrette
- squire
- staircase
- stairs
- stairway
- stanchion
- starboard
- stem
- steps
- stern
- stile
- strake
- such
- superstructure
- swain
- tally
- teammate
- tiller
- trace
- tracing
- transom
- truck
- twin
- usher
- waterline
- waterway
- weather
- weatherboard
- wench
- wheel
- winch
- windlass
- windward
- workfellow
companion (v.)
- ace
- ally
- associate
- attend
- bachelor
- back
- batten
- beak
- beam
- bear
- bitt
- board
- bow
- bridge
- bring
- carry
- ceiling
- chaperon
- chaperone
- cleat
- companion
- company
- complement
- conduct
- confederate
- consociate
- consort
- convoy
- cook
- coordinate
- copy
- correlate
- counter
- double
- duplicate
- entrance
- escort
- frame
- gossip
- guard
- guide
- hatch
- head
- heel
- image
- incline
- keel
- knight
- lee
- like
- match
- mate
- model
- nose
- pal
- parallel
- partner
- photograph
- picture
- port
- post
- rail
- ramp
- rib
- run
- scupper
- scuttle
- shadow
- shepherd
- snorkel
- squire
- stairs
- starboard
- stem
- tally
- tiller
- trace
- truck
- twin
- usher
- weather
- wench
- wheel
- winch
A blessed companion is a book,—a book that fitly chosen is a life-long friend.
But it was even thou, my companion, my guide, and mine own familiar friend.
An agreeable companion on a journey is as good as a carriage.