14-letter words that end in um
- sphaeristerium — an ancient Roman handball court.
- sports stadium — an arena where sports are played
- sweet viburnum — the sheepberry, Viburnum lentago.
- tcl consortium — (body) A non-profit agency dedicated to promoting Tcl.
- temper tantrum — tantrum.
- the millennium — the period of a thousand years of Christ's awaited reign upon earth
- to the maximum — If you say that someone does something to the maximum, you are emphasizing that they do it to the greatest degree possible.
- tragacanth gum — Tragacanth gum is a gum obtained from the tragacanth plant, used as a suspending agent.
- zeno of citium — c340–c265 b.c, Greek philosopher, born in Cyprus.
- zonal geranium — a widely cultivated plant, Pelargonium hortorum, having white, pink, or red flowers and rounded leaves that are sometimes banded or blotched with contrasting colors.
- zygosporangium — a sporangium that bears a zygospore.