Synonyms of propagation

2 Syllables
breeding, childbirth, offprint, spawning
3 Syllables
mimeograph, pregnancies, radiations, diffractions, procreation, pregnancy, radiation, reenactment, reprinting, gravidness, child-bearing, diffusions, diffraction, geneses, diffusion, genesis, producing
4 Syllables
reproduction, continuations, fecundation, distributions, pollination, advocacy, distribution, gravidity, generations, reproductions, continuation, engenderment, germination, parturiency, fecundations, generation
5 Syllables
insemination, polarization, proliferation, multiplication, dissemination