In the present-day, there are no distinction between 'ken' such as fine strips of raw daikon radish, 'tsuma' such as seaweeds, and 'karami' such wasabi, and all of them are often referred to as 'tsuma.'
現在では白髪大根などの「ケン」と海藻などの「ツマ」、ワサビなどの「辛み」の区別が無くなりつつあり、全て「つま」と呼ぶことが多い。