The ci/sh and ti/sh words
This is a consonant digraph (2 letters to make one sound).
The sound is pronounced "sh" but can be spelled in more than one way.
If the /sh/ sound comes in the middle of a word, it can be spelled "ci" or "ti". For example, ancient & fraction.
Often, "ci" & "ti" is used at the beginning of a syllable, but not the first one. For example, trans/i/tion or an/cient.
Word Lists
ci /sh/ (23)
ancient
artificial
commercial
conscious
delicious
efficient
especially
financial
musician
official
optician
technician
politician
precious
racial
social
special
sufficient
suspicious
magician
suspicion
spacious
electrician
ti /sh/ (20)
confidential
essential
fraction
ambition
influential
intitial
partial
patient
torrential
mention
portion
cautious
nutritious
ambitious
substantial
partial
potential
bumptious
infectious
information