| duration(noun, life, span, continuance) |
| half-life(noun, life, span, continuance, duration) |
| life(noun, span, continuance, duration) |
| lifetime(noun, life, span, continuance, duration) |
| run(noun, life, span, continuance, duration) |
| span(noun, life, continuance, duration) |
| spell(noun, life, span, continuance, duration) |
| standing(noun, life, span, continuance, duration) |
| stretch(noun, life, span, continuance, duration) |
| tenure(noun, life, span, continuance, duration) |
| term(noun, life, span, continuance, duration) |
| time(noun, life, span, continuance, duration) |
| tour(noun, life, span, continuance, duration) |
| turn(noun, life, span, continuance, duration) |
| bloc(noun, group, block, bunch, cluster) |
| coalition(noun, group, block, bunch, cluster) |
| sect(noun, group, block, bunch, cluster) |
| clique(noun, group, block, bunch, cluster) |
| coterie(noun, group, block, bunch, cluster) |
| federation(noun, group, block, bunch, cluster) |