As a proper noun logos
is (philosophy) in ancient greek philosophy, the rational principle that governs the cosmos.
As a noun kairos is
a time when conditions are right for the accomplishment of a crucial action; the opportune and decisive moment.
logos
Etymology 1
From (etyl) .
Noun
(-)
(rhetoric) A form of rhetoric in which the writer or speaker uses logic as the main argument.
Coordinate terms
* (form of rhetoric) ethos, pathos
Etymology 2
Noun
(head)
Anagrams
*
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kairos
Noun
(-)
A time when conditions are right for the accomplishment of a crucial action; the opportune and decisive moment.