The term "feticidal" refers to something that is deadly or destructive to a fetus. However, there are several synonyms that can be used in place of this term. One of the most common is "teratogenic," which refers to something that causes birth defects. Another option is "abortifacient," which refers to something that induces an abortion. Other possible synonyms for "feticidal" include "embryotoxic," "embryocidal," and "fetotoxic." These words can be used to describe substances or conditions that may harm or destroy a developing fetus, and may be especially relevant in areas of medicine such as obstetrics and teratology.