本国语

native language;mother tongue

• suitable
• suitcase
• suite
• sulfur
• sullen
• sulphur
• sum
• summarize
• summary
• summit
• summon
• sun
• sunburnt
• sunday
• sunglasses
• sunlight
• sunny
• sunrise
• sunset
• sunshine
• super
• superb
• superficial
• superintendent
• superior