The Secret Meanings Hidden In Sounds
Many English words starting with the same sounds share a secret theme. For example, the prefix sl often signals smooth, low-friction movement, as seen in slide, slick, and sled.
These sound patterns are called phonesthemes, and they suggest our language is less random than it appears. While these sounds do not carry a formal definition, they create a subtle, instinctive connection between how a word sounds and what it describes. Linguistic experts have tracked these patterns for decades to see how our brains link phonetics to physical concepts. It is a fascinating reminder of how much hidden structure exists in our daily speech.
Source: Phonestheme