How about 利害 and 结果 and 东西？
利害（都四声）,both 4th tone pros and cons
利（四声4th）害（轻声neutral tone） , terrible (and confusingly also great)
结果jie1guo3 bear fruit
东西dong1xi1 east and west
精神jing1shen2 spirit mind (this word just came up in my text)
精神jing1shen vigour, vitality
Homonyms with the same meanings look here:
This is about single characters:
Question: 字相同,读音不同,意思不同, Character the same, tone different, meaning not the same
Answer: 很多啊 和字 有五个读音 意思都有所不同 比如,我和他 he 是连词 麻将和了是动词 读hu 和面 读huo 是动词 等等
Translate for you,
There are a lot
the character '和' has 5 different pronunciations
each has its own different meaning
比如,我'和'他 'he' 是连词
for example, I 'and' he '和' is a conjunction read he
Mahjong '和' is a verb read 'hu'
'和'面 读'huo' 是动词 等等
'和' bread, read 'huo' is a verb etc.
This link is for words with the same sound, but different characters.(I know, not what your asking for, thought it was interesting!)
You can see, I don't have a lot to do this morning!
PS I think 'differentely' is spelt differently. Vive la difference!