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Beginning section of a long form, 5 letters
Hospital insurance portion of Medicare, 5 letters
Initial book section, 5 letters
When the head aches, all the members ___ of the pain (From Don Quixote), 7 letters
Have a finger in the pie, 7 letters
Received a portion, as a meal, 8 letters
Person who joins in, 8 letters
Someone who has or gives or receives a part or a share, 8 letters
A necessary element, 13 letters
An essential element, 13 letters
An essential ingredient, 13 letters
Essential component, 13 letters
Essential constituent, 13 letters