18-letter words containing y, a, m, b
- submaxillary gland — submandibular gland.
- subsidiary company — a company whose controlling interest is owned by another company.
- the welsh assembly — the elected assembly for Wales, based in Cardiff, that has certain powers devolved from the UK government
- two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
- urban contemporary — popular dance music incorporating elements of rap, rhythm-and-blues, funk, and soul.