| nucleus abbr. | |
| biol. | noyau cellulaire; noyau |
| construct. | cœur; duramen |
| industr. construct. met. | germe; noyau |
| mil. logist. | noyau dur |
| paleont. | protoconque |
|
pyramidal : 72 phrases in 11 subjects |
| Agriculture | 1 |
| Botany | 1 |
| Chemistry | 3 |
| Communications | 1 |
| Construction | 3 |
| Finances | 1 |
| General | 2 |
| Ichthyology | 1 |
| Law | 5 |
| Medical | 53 |
| Natural resourses and wildlife conservation | 1 |