1. For the most part
   - chiefly, primarily, mainly, in the main, majorly

See also: principal

• acetonic
• acetonuria
• acetophenetidin
• acetose
• acetous
• acetphenetidin
• acetum
• acetyl
• acetyl chloride
• acetyl group
• acetyl radical
• acetylate
• acetylation
• acetylcholine
• acetylene
• acetylenic
• acetylic
• acetylise
• acetylize
• acetylsalicylic acid
• ACH
• Achaea
• Achaean
• Achaian
• ache