File:Shi Tsu Katakana Character Difference.svg - Wikimedia Commons
Katakana shi シ & tsu ツ - How to Remember Easily
ツ/tsu vs シ/shi vs ソ/so vs ン/n】Mini Japanese Learning Tip | Japanese School Amino
shi and tsu in Kanakana - Japanese Language - MLC | Facebook
File:Difference between tsu and shi in japanese katakana.png - Wikimedia Commons
NHK WORLD-JAPAN - Learn Japanese 【Katakana】 Today's katakana is ツ(TSU)! What words begin with ツ? Here are a few. ・ツナ(TSUNA // tuna) ・ツアー(TSUAA // tour) What other words can you come up
Katakana writing: SHI N SO TSU - Japanese Language - WaniKani Community