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The Nerdy Way To Learn: Spanish » Patterns » CT to CH »

Leche – Lactose

Ah, one of our all-time favorite patterns and examples: leche, the common Spanish word meaning, “milk.”

Leche is a first cousin of the English lactose via a very interesting pattern: the -ct- to -ch- pattern.

Both come from the same Latin root, lactatio (literally, “suckling.”) The -ct- in that root remained unchanged as it entered English (because it entered via the sophisticated French) but that sound almost always turned into a -ch- sound as Latin evolved into Spanish. Thus the l-ct maps to the l-ch almost exactly.

Many other awesome words follow the same pattern: think octagon/ocho, for example. Some more coming up soon (or see the pattern page linked below).

Sospechoso – Suspect

Suspect and the Spanish equivalent, sospechoso, are easy to identify and obviously the same word, both from the same Latin root, suspectus.

That’s not the interesting part. Rather, as Latin evolved into Spanish, the Latin sound -ct- turned into the Spanish -ch- sound. Think lactose/leche or octagon/ocho.

And suspect falls exactly into this pattern: the English s-s-p-ct maps exactly to the Spanish s-s-p-ch.

Pecho and Pectoral Girdle

The Spanish for “chest”, pecho, sounds completely different than the English chest.

But it is related to the English word for the chest bones: the Pectoral Girdle.

The relationship is the Latin -ct- words transforming into -ch- as Latin turned into Spanish. Thus, the pect- maps to pech- exactly. The English word, on the other hand, is taken – unchanged – directly from the Latin.

Also from the same root, in Spanish, es pechuga — the common word for the common food, “chicken breast”!

The same pattern we see in noche/nocturnal, leche/lactose, etc.

Ducha – Duct, Douche

Ducha, Spanish for “shower”, sounds unrelated to the English for the same. But it does have a less obvious cousin in English: duct; both do conduct water, towards a particular direction!

And yes, from the same root we also get, via French, douche, as in, douchebag.

Duct and Ducha both come the same Latin root, ductus, “leading”. More on that one another day.

The transformation happened due to the always-fun pattern of the -ct- words in Latin turning into -ch- words in Spanish. Thus, the d-ct in Latin and English maps almost exactly to the d-ch in Spanish.

Ocho and Octagon

The Latin for “eight” is Octo, from which we get the English Octagon.

Since most Latin words with a -ct- sound, like Octo, had the -ct- turn into a -ch- as the language evolved into Spanish, it is no surprise that eight in Spanish is ocho.

This same pattern manifests itself in noche/nocturnal, leche/lactose, and is one of our favorite patterns here at ForNerds!

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