experience can function both as a count- and as a non-count noun in English.
Her experience over the last few days had not increased her confidence as a guitarist.
Her experiences over the last few days had not increased her confidence as a guitarist.
Cylinders.
McDonald's
boats
cobwebs
Martinez's
You wouldn't pluralize "processing", but you would pluralize "process" making more than one process "processes".
Handkerchiefs is correct.
Fournesses is the plural of Fourness
Sirs is the plural of sir
Folisis is the plural of Folisi
The plural form of panic is panics.
Do you mean, "How do you pluralize the phrase 'follow God's word' ? 1) Follow the words of God, or 2) Follow God's words.