-nj denotes feminine affectionate diminutives: Manjo = Polly; patrinjo (or panjo) = mamma.
-uj denotes containing or producing: inkujo = inkpot; Anglujo = England.
-ul denotes characteristic: timulo = a coward: avarulo = a miser.
[The suffix -aĉ (not in the Fundamento) is coming into use as a pejorative (= Italian -accio): ridi = to laugh; ridaĉi = to grin, sneer.]
V
table of correlative words
| Demonstrative. | Relative and Interrogative. | Negative. | Universal. | Indefinite. | |
| Person* | tiu that | kiu who, which | neniu no one | ĉiu every, all, every one | iu some, some one |
| Thing* | tio that (thing) | kio what, which | nenio nothing | ĉio everything | io something |
| Quality | tia that kind of a | kia what kind of a | nenia no, no kind of | ĉia each, every kind of | ia any, some kind of |
| Time | tiam then | kiam when | neniam never | ĉiam always | iam ever, at some time |
| Place | tie there | kie where | nenie nowhere | ĉie everywhere | ie somewhere |
| Manner | tiel thus, so | kiel how | neniel in no way | ĉiel in every way | iel in some way, somehow |
| Motive | tial therefore | kial why | nenial for no reason | ĉial for all reasons | ial for some reason |
| Quantity | tiom so/as much so/as many | kiom how much how many | neniom none | ĉiom the whole amount | iom somewhat, a certain amount |
| Possession | ties of that | kies whose, of which | nenies nobody's | ĉies everybody's | ies somebody's |
In the demonstrative column, to express "this" instead of "that," add ĉi.
*N.B.—Tiu, kiu, etc., are used in agreement with a noun expressed, even when it does not represent a person.