Честотите са дефинирани като: много чести (≥ 1/ 10), чести (≥ 1/ 100 < 1/ 10), нечести (≥ 1/ 1 000 < 1/ 100).
Frequencies are defined as: very common (≥ 1/ 10), common (≥ 1/ 100 < 1/ 10), uncommon (≥ 1/ 1,000 < 1/ 100).