The sport that fits this criteria is "hockey." It has six letters, and the fourth letter is the letter "k." Hockey is a popular team sport played on ice or on a field, involving two teams who try to score goals by hitting a puck or a ball into the opponent's goal using a stick.
Hockey.
accentarrestattendbreechcaresscementdigestexpertexpectexpendextendforestindentintendinvestinjectparentpriestretestretellrevealrecessrepentresentrejectscreenstreamsleevespreadsleuthstressstreakthreadthreattalentunreal
rowing
Boxing
Tennis !
Hockey.
accentarrestattendbreechcaresscementdigestexpertexpectexpendextendforestindentintendinvestinjectparentpriestretestretellrevealrecessrepentresentrejectscreenstreamsleevespreadsleuthstressstreakthreadthreattalentunreal
iguana
testes
Diving
boxing
rowing
tinsel
byacan or byacahn or byachan or pirranah
Hockey.
Boxing
Some examples of 6-letter words where the 3rd and 4th letters are the same include "batter," "letter," "cattle," and "manner." These words feature a repeating character in the specified position, contributing to their distinct meanings.