размножить означает в английский

duplicate [duplicated, duplicating, duplicates]▼(to make a copy of)
verb
[UK: ˈdjuː.plɪk.eɪt] [US: ˈduː.pləkət]

propagate [propagated, propagating, propagates]▼(to multiply; to increase)
verb
[UK: ˈprɒ.pə.ɡeɪt] [US: ˈprɑː.pə.ˌɡet]

proliferate [proliferated, proliferating, proliferates]▼(to increase in number or spread)
verb
[UK: prə.ˈlɪ.fə.reɪt] [US: proˈlɪ.fə.ˌret]

propagate [propagated, propagating, propagates]▼(to multiply; to increase)
verb
[UK: ˈprɒ.pə.ɡeɪt] [US: ˈprɑː.pə.ˌɡet]

reproduce [reproduced, reproducing, reproduces]▼(to generate offspring)
verb
[UK: ˌriː.prə.ˈdjuːs] [US: ˌri.prə.ˈduːs]