| four-color | neljavärvi- |
| four-color problem | nelja värvi probleem (matemaatikas) |
| four-cylinder | neljasilindriline |
| four-dimensional | neljamõõtmeline |
| four-dimensional geometry | neljamõõtmeline geomeetria |
| four-dimensional space | neljamõõtmeline ruum |
| four-dimensioned | neljamõõtmeline |
| four-footed | neljajalgne |
| four-four time | neli neljandikku taktimõõdus |
| four-handed | neljale käele (nt klaveripala) |
| four-in-hand | lips |
| four-in-hand | neljahobuse- |
| four-in-hand coach | neljahobusevanker |
| four-in-hand tie | lips |
| four-leaf clover | neljaleheline ristikhein |
| four-leaved clover | neljaleheline ristik |
| four-legged | neljajalgne |
| four-letter | neljatäheline |
| four-letter word | damn etc) |
| four-letter word | fuck |
| four-letter word | roppus (vrd shit |
| four-lined | neljarealine |
| four-masted | neljamastiline |
| four-minute man | nelja minuti mees (jooksnud miili alla 4 minuti) |
| four-oared | neljaaeruline |
| four-part | neljaosaline |
| four-ply | neljakihiline |
| four-ply | neljakordne |
| four-poster | baldahhiinvoodi |
| four-poster | sammastega voodi |
| four-seater | neljaistmeline auto |
| four-sided | nelja küljega |
| four-spot | doominokivi vms) |
| four-spot | neli (kaart |
| four-spot | täringu külg |
| four-wheel drift | nelja ratta libisemine |
| four-wheel drive | nelja ratta veoga |
| four-wheel drive | neljarattavedu |
| four-wheel steering | nelja ratta juhitavus |
| four-year | nelja-aastane |
| four-year-old | nelja-aastane |
| sixty-four-dollar question | peamine küsimus |
