Update

often_confused.md

@@ -112,6 +112,7 @@ There exist many terms that are highly similar and can legitimately be used inte
 - **[infinite](infinity.md)** vs **[arbitrarily large/unbounded](unbounded.md)**
 - **intelligence** vs **[IQ](iq.md)**
 - **[Internet](internet.md)** vs **[web](web.md)**
+- **[interpolation](interpolation.md)** vs **[regression](regression.md)**
 - **[Java](java.md)** vs **[JavaScript](js.md)**
 - **[kB/mB/gB/tB](memory_units.md)** vs **[KiB/MiB/GiB/TiB](memory_units.md)**
 - **[latency/ping/lag](latency.md)** vs **[throughput/bandwidth](throughput.md)** vs **speed**
@@ -129,9 +130,10 @@ There exist many terms that are highly similar and can legitimately be used inte
 - **[modem](modem.md)** vs **[router](router.md)** vs **[switch](switch.md)**
 - **[multisampling](multisampling.md)** vs **[supersampling](supersampling.md)**
 - **[nationalism](nationalism.md)** vs **[patriotism](patriotism.md)**
+- **[Niger](niger.md)** vs **[Nigeria](nigeria.md)**
 - **normie** vs **[NPC](npc.md)** vs **[retard](retard.md)**
-- **[NP](p_vs_np.md)** vs **[NP-hard](np_hard.md)** vs **[NP-complete](np_complete.md)**
 - **non-existent** vs **[virtual](virtual.md)** vs **[abstract](abstraction.md)**
+- **[NP](p_vs_np.md)** vs **[NP-hard](np_hard.md)** vs **[NP-complete](np_complete.md)**
 - **opaque** vs **solid**
 - **orientation** vs **[rotation](rotation.md)**
 - **[overflow](overflow.md)** vs **[wrap around](wrap.md)**