Onomatopoeia #1

With this project I'm looking at the description of sound and onomatopoeias are interesting in this respect. Actually having words which imitate the sound they describe may be particularly useful in terms of text. But even the title here - Sshhh! - has some relevance given its similarity to the Japanese word 'shiiin' that is used to define absolute silence. [I need to look into Japanese sound symbolism at some point, by the way.]

Obviously, they can differ when compared to those used within other languages. The English clock's "tick-tock", for example, is described as"tic-tac" by our French pals. Then there's this: