Subcategories:
You can see the full category hierarchy on the Category Map.
| 
 | 
 | 
| 1 beginning with B | BOTTOM QUARK | 
| 1 beginning with C | CHARM QUARK | 
| 1 beginning with D | DOWN QUARK | 
| 1 beginning with E | ELECTRON | 
| 1 beginning with H | HIGGS BOSON | 
| 2 beginning with L | LEPTON LEPTONS | 
| 1 beginning with M | MESON | 
| 1 beginning with N | NEUTRINO | 
| 8 beginning with P | PENTAQUARK PENTAQUARKS PHOTON PHOTON (2) POSITRON PROTON PROTON (2) PROTON (3) | 
| 3 beginning with Q | QUARK QUARK (2) QUARKS | 
| 2 beginning with S | SQUARK STRANGE QUARK | 
| 4 beginning with T | TOP QUARK TETRAQUARK TAUON TAU | 
| 1 beginning with U | UP QUARK | 
| 27 apronyms in total | |