However, here are some examples of words that could be considered to have a 4-consonant final cluster, depending on how you analyze the sounds:
* Strengths: This word technically has 4 consonants at the end, but the "th" sound is a single phoneme, so it might not be considered a true 4-consonant cluster.
* Sixths: Similar to "Strengths," the "ths" acts as a single sound.
* Texts: This word also presents a similar situation with "ts" acting as a single sound.
* Walks: This word could be considered to have a 4-consonant cluster if you analyze "ks" as a separate phoneme.
It is important to note that these are all borderline cases and there is no definitive agreement on what constitutes a true 4-consonant cluster in English.
If you're interested in exploring this further, you might be interested in looking into:
* Phonetic analysis: This field studies the sounds of language, and might offer a clearer picture of how clusters are formed and perceived.
* Linguistic studies of consonant clusters: This area explores how clusters are formed and how they vary across languages.
Remember, the English language is constantly evolving and the definition of what constitutes a "cluster" can be subjective.