EN English dictionary from four-layer device to four-o-four (slang)
- four-layer device
- four-layer diode
- four-layer triode
- four-leaf
- four-leaf bird's-foot trefoil
- four-leaf clover
- four-leafed
- four-leaved
- four-leaved allseed
- four-leaved bird's-foot trefoil
- four-leaved clover
- four-leaved kidney vetch
- four-leaved table
- four-legged
- four-legged friend
- four-letter Anglo-Saxon word
- four-letter word
- four-letter words
- four-letter-word
- four-letter-words
- four-level laser
- four-line octave
- four-lined leaf bug
- four-lined plant bug
- four-lined snake
- four-lip
- four-lip counterbore
- four-lipped
- four-lipped end mill
- four-lobe pump
- four-man backfield
- four-man bob
- four-man bobsleigh
- four-masted
- four-masted bark
- four-masted barque
- four-masted schooner
- four-masted ship
- four-master
- four-masters
- four-membered
- four-minute man
- Four-minute mile
- four-momentum
- four-momentum transfer
- four-month
- four-monthly
- four-motor plane
- four-needle sewing machine
- four-o-four (slang)