Two l's in reticulate?
stress-doubleA doubled consonant marks a short stressed vowel in English. Reticulate has one of those, but the word never took the doubling.
heard asreticullate
spelledreticulate
saidri-TIK-yuu-lut
One.
By the time the word reaches its l there are two unstressed syllables behind it and one in front. Doubling needs a stressed short vowel to attach to and there is none here.
The rest of the net
ruticulate retikulate reticculate reticulete raticulate reticulute
The complete set is one click away. All 11 spellings of reticulate.