An Effect
Effect
noun, の adjective
The fruit of something that's effective is an effect.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
何事も、続けることで、効果が現れてくるものです。
Anything will show its effect by continuing it.
果たしてこの対策に効果はあるのだろうか。
I wonder if these measures are really effective.
この薬には痛みを和らげる効果があります。
This medicine has the effect of relieving pain.
ジムで水泳をすることが、最も効果的なダイエット方法だと聞きました。
I heard swimming at the gym is the most effective way to lose weight.