1. (north UK) late, - as opposed to soon 
2. (north UK) afterwards; since; ago

Sounds like: sign, sine

• bugologist
• bugology
• buhl
• build
• build in
• build on
• build upon
• builder
• building
• building block
• building code
• building complex
• building department
• building material
• building permit
• building site
• building society
• building supply house
• building supply store
• buildup
• built
• built-in
• built-in bed
• built-soap powder
• built-up