The difference is that each abortion has its own set of facts and reasons for happening. For example my niece had an ectopic pregnancy and had to have an abortion or both would likely have died. Is that morally repugnant to you? Some fetuses don’t develop a brain or die in the womb. Is aborting them morally repugnant? There are many more medical issues that require abortion. Are they morally repugnant. The murders of civilians in Ukraine is the result of deliberate policy and tactics ordered by Putin and the Russian leadership. The moral difference is that not all abortion are murder while the genocide in Ukraine is. Your blanket statement is not accurate or valid. You tried to set a draw an argument of two situations that aren’t comparable.