a, e, o, i, u, y , ij are vowels.
b, c, d , f, g , h, k, l, m, n, p, q, r, s, t, v, w, x, z are consonants.
- word with a long vowel (dubble vowels) and followed by a consonant, vowels will remain only one and follow by -en.
raam - ramen (window - windows)
been - benen (leg - legs)
boom - bomen (tree - trees)
- word with a long vowel but followed by two consonant, you can follow by -en.
maand - maanden
paard - paarden
- word with short vowel and followed with a consonant. Put one more consonant and then follow by -en
man - mannen (man - men)
tas - tassen (bag - bags)
pot - potten (pot - pots)
- word with different vowels and/or followed with a consonant also can put -en.
de tuin - de tuinen (garden - gardens)
het boek - de boeken (book - books)
- word that ended with ei, en, er, em, erd, e, ie, aar, ier are followed by -s.
de tafel - de tafels
de vakantie - de vakanties
** de oom also use -s : de ooms
- word ending with a, o, u, y, i are followed by 's.
de opa - de opa's
de auto - de auto's
de baby - de baby's
- word that normal begin with het (the) always use -eren.
het ei - de eieren
het blad - de bladeren
het kind - de kinderen
het volk - de volkeren
- word that ended with F, change f to v and then follow by -en.
de golf - de golven
de druif - de druiven
de brief - de brieven
- word long vowel with same vowel or different vowels that ended with S, change s to z and then follow by -en.
de roos - de rozen
de doos - de dozen
het huis - de huizen
- but some words are different form.
de koe - de koeien
de vlo - de vlooien
*** always remember that after change to plural , the article of that word will become DE.