People controlling planes and ships frequently use Knot (speed).
p iː p ə l WORD_BOUNDARY k ə n t ɹ oʊ l ɪ ŋ WORD_BOUNDARY p l eɪ n z WORD_BOUNDARY æ n d WORD_BOUNDARY ʃ ɪ p s WORD_BOUNDARY f ɹ iː k w ə n t l i WORD_BOUNDARY j uː s WORD_BOUNDARY n ɑ t WORD_BOUNDARY s p iː d WORD_BOUNDARY