Correct spelling, explanation: optimist is a noun that originates from the French optimiste and from the Latin optimus (best). The etymology indicates that it should be spelled with the -i vowel, not the -o vowel. If you’re unsure how to write down a word, always look at its history. Therefore, the only correct version is optimist and optomist is just a mistake.

Definition of optimist:
noun, someone who always believes that good things will happen
Despite the challenging circumstances, the optimist found a silver lining in every situation and maintained a positive outlook on life.
The optimist firmly believed that every setback was an opportunity for growth and approached each day with a hopeful and cheerful attitude.

Collocations with optimist:
Some most commonly used collocations include:
1. Eternal optimist – someone who consistently maintains a positive and hopeful outlook, regardless of the circumstances.
She’s known as an eternal optimist, always finding a glimmer of hope even in the darkest times.
2. Die-hard optimist – a person who is unwaveringly optimistic, refusing to be discouraged or swayed by negative events.
Despite the setbacks and failures he encountered, John remains a die-hard optimist, refusing to let negativity dampen his spirit.
3. Optimistic outlook – a positive perspective or belief in the potential for favorable outcomes.
Sarah’s optimistic outlook on life allows her to see opportunities where others see obstacles.
4. Optimistic attitude – a general disposition or approach characterized by optimism and positivity.
Mark’s optimistic attitude is contagious; his cheerful demeanor and positive energy uplift those around him, even in the face of adversity.

Incorrect spelling, explanation: the word optomist is a mistake because its spelling should accord with the etymology. This noun comes from French and Latin. Both forms were spelled with the -i vowel (after the -t letter), not the -o. Optimist is a loanword; therefore, we should not change the construction of this word.