Building blocks added at the beginning of a word (prefixs):
| – | un- (opposit) |
| 2 | to |
| 3 | tri- |
| 4 | fore- |
| A | not |
| B | be- |
| C | co- |
| CF | chief- (head of) |
| D | de- (undo) |
| DO | do- |
| DS | dis |
| E | e-(electronic) |
| X | ex- (former) |
| F | female- |
| G | grand- |
| IN | in- |
| M | male- |
| ML | mal- (ungood) |
| MS | mis (uncorrect) |
| N | new- |
| NO | no- |
| OL | online- |
| PRE | pre- (before in time) |
| PRO | pro- (in favour of) |
| RE | re- (recurrent) |
| SH | Synglish- |
| TH | tech- |
| U | u- (under) |
| UN | un- (opposit) |