different between evenly vs placidly

English

From Middle English evenly, evenliche, from Old English efenl??e (“evenly, alike, equally”), equivalent to even +? -ly.

evenly (comparative more evenly, superlative most evenly)

So as to form a flat surface.
Spread the icing evenly over the cake.
In a fair manner of distribution, giving the same amount or number to each; equally.
To avoid arguments, he divided the sweets evenly between his two children.
(mathematics) In a manner that leaves no remainder.
12 is evenly divisible by 2, 3, 4 and 6.
In terms of or by means of even numbers.
- 1998, Kay Almere Read, Time and Sacrifice in the Aztec Cosmos (page 107)
  The oddly counted lords are always out of sync with at least one other evenly counted cycle. These two strange counts assured that at no single moment could all cycles end at the same time for an extraordinarily long time, for at least one odd count threw off all the even ones.

placid +? -ly

placidly (comparative more placidly, superlative most placidly)

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