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wonder flower
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settler
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grummet
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surrender
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contingent
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surveillance
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etymologizing
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abide by
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koln
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feminine
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concavo-concave
concavo-concave /ˌkɑnkəvoʊˈkɑnkəv/
adjective
-
Concave on both sides
(
biconcave
, concavo-concave
)
concave on both sides