This (very important) paper from 1967 calls them "weak interaction" and "strong interaction": https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.19.1264

This (very important) paper from 1967 calls them "weak interaction" and "strong interaction": https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.19.1264 https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.19... Putting the word "nuclear" in the middle seems to just be done in textbooks and classrooms.