While both have to very different meanings, both have a definition of meaning something small (alley - small passage, pony - small horse, pour, or amount of money). Both are 6 letters, but when made plural, are spelling differently (alleys - just add s, ponies - drop the y, add ies). Both are Latin in origin, changing letter to French. But alley is late middle English, with pony being from the mid 17th century.
The reader would know the thoughts of all the characters. ... Writers expect readers to remember these feelings when they describe certain scenes, and they hope readers will make inferences based on these feelings.
o, once compound words are closed or hyphenated they are counted as one word. If the compound word is open, e.g., "post office," it is counted as two words.