What is another word for "superfetation"?

Roget's Thesaurus (1911) lists these synonyms for "superfetation": accession, accompaniment, accrue, add, addition, adjection, advene, affix, aftercrop, aftergrowth, aftermath, and, annex, annexation, append, arrish, augment, become, clap, conceive, cow, crop, eddish, fecund, fecundate, fecundify, fecundity, fertile, fertility, fertilization, fertilize, flowing, fructification, fructify, frugiferous, fruitful, generate, generative, honey, hydra.