Question

which can readers use to find the meaning of an unfamiliar word? check all that apply.
root words
formal words
word endings
parts of speech
length of speech

Explanation:

• Root words: Provide the base meaning.
• Word endings: Can change the meaning (e.g., -tion in "education").
• Parts of speech: Helps in context (e.g., noun vs. verb).
• Formal words: Just a style, not helpful for meaning.
• Length of speech: Irrelevant to meaning.

Answer:

root words, word endings, parts of speech