"diminishes" in the verb sense
1. decrease, diminish, lessen, fall
decrease in size, extent, or range
"The amount of homework decreased towards the end of the semester"
"The cabin pressure fell dramatically"
"her weight fell to under a hundred pounds"
"his voice fell to a whisper"
2. diminish, belittle
lessen the authority, dignity, or reputation of
"don't belittle your colleagues"
Source: WordNet® (An amazing lexical database of English)
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