Klack, heel.
Klaga, to complain (öfver, of; för, to), to lament.
Klagomål, complaint.
Klander, censure, blame.
Klandra, to censure.
Klang, ring, clang, jingle, jingling.
Klappa, to knock (at).
Klar, clear, plain.
Klase, cluster, bunch.
Klass, class, order.