suggest,advice,advise,persuad的区别

First,advise is verb and advice noun.
Second,if you see the difference from a power relationship,you would understand it easily.
You and I do not know each other.Right?So,I am in no position to advise you to accept my response.I can,however,suggest you take it.
When you go to see an English professor who is a professional and an expert in this field,he can advise you what to do.You hear advice from doctors,lawyers,engineers or even a car mechanic.
I have written a long response.Why?It is because I want to persuade you to accept mine.Persuade is to convince with efforts.

advice是名词

persuad是说服的意思

suuggest
vt.
建议, 提出, 使想起, 暗示
advice
n.
忠告, 建议, [商]通知
advise
vt.
劝告, 忠告, 警告, 建议
persuade
v.
说服, 劝说, (使)相信, 劝某人做(不做)某事