strait (n.)
- arm
 - armlet
 - bay
 - bayou
 - belt
 - bight
 - bind
 - bottleneck
 - bound
 - box
 - canal
 - cardhouse
 - channel
 - climacteric
 - close
 - clutch
 - complication
 - contingency
 - cove
 - cramp
 - creek
 - crisis
 - crossroads
 - crunch
 - danger
 - defile
 - dilemma
 - embarrassment
 - emergency
 - endangerment
 - estuary
 - exigency
 - extremity
 - finite
 - fjord
 - frith
 - gulf
 - gut
 - harbor
 - hazard
 - hinge
 - hobble
 - how-do-you-do
 - imbroglio
 - inlet
 - isthmus
 - jam
 - jeopardy
 - limited
 - limiting
 - loch
 - menace
 - mess
 - mix
 - morass
 - mouth
 - narrow
 - narrows
 - neck
 - pass
 - peril
 - perplexity
 - pickle
 - pinch
 - plight
 - predicament
 - push
 - quagmire
 - quicksand
 - reach
 - risk
 - road
 - roads
 - roadstead
 - rub
 - scant
 - scanty
 - scrape
 - slough
 - sound
 - spot
 - squeeze
 - stew
 - straits
 - swamp
 - threat
 - throat
 - tight
 - tightrope
 - trouble
 - turn
 - turning
 
strait (adj.)
- arm
 - bay
 - belt
 - bound
 - bounded
 - channel
 - circumscribed
 - close
 - close-fitting
 - conditioned
 - confined
 - confining
 - constricted
 - copyrighted
 - cramped
 - crowded
 - demanding
 - difficult
 - disciplined
 - exacting
 - finite
 - hazard
 - incommodious
 - isthmian
 - limited
 - limiting
 - meager
 - moderated
 - mouth
 - narrow
 - near
 - neck
 - pass
 - patented
 - prescribed
 - proscribed
 - qualified
 - reach
 - restricted
 - restricting
 - rigorous
 - risk
 - road
 - rub
 - scant
 - scanty
 - slender
 - sound
 - spot
 - throat
 - tight
 - turn
 - turning
 
Strait is the gate and narrow is the way.