✅ Sadness refers to the emotional feeling of unhappiness or sorrow (I felt a wave of sadness when I couldn't go on vacation with my friends).

✅ Desolation refers to a more profound sense of emptiness and hopelessness, often associated with abandonment or destruction (After the tragic events, the town had a feeling of complete desolation).

✅ Both words describe negative emotional states.

✅ Sadness can be temporary and specific, while desolation conveys a more extreme and often lasting feeling of emptiness or despair (My neighbor's sadness immediately disappeared when her dog returned home; The desolation of the empty house lingered long after their kids moved out).

✅ Boost means to increase or improve something (The new campaign helped to boost sales).

✅ Reinforce means to strengthen or support something, often by adding elements (We reinforced the bridge with steel beams).

✅ Both words involve increasing strength or effectiveness.

✅ Boost tends to imply a quick or temporary increase, while reinforce suggests adding stability or durability (The extra funds gave the project a boost; The company reinforced its security policy after several phishing attempts).

✅ Party refers to a group of people with a shared political agenda or goal (He's a member of the ruling party).

✅ Faction refers to a smaller, often dissenting group within a larger organization (A faction within the party opposed the new bill).

✅ Both terms involve groups of people with shared interests, often political.

✅ Party is a larger, formal organization, while faction is a smaller, often more rebellious group (The political party met to discuss policy; A faction of the company did not support the decision to hire a new CEO).