־ון

Related to Arabic ـَانٌ (-ān).

־וֹן • (-on)

1. A suffix indicating a periodical or a journal.

   ‎יֶרַח (yérakh, “(archaic) a month”) + ‎־ון → ‎יַרְחוֹן (yár'khon, “a monthly periodical”)

2. A diminutive suffix.

   ‎ברווז \ בַּרְוָז (barváz, “a duck”) + ‎־ון → ‎ברווזון \ בַּרְוָזוֹן (barvazón, “a duckling”)

3. A suffix indicating collections.

   ‎שְׁאֵלָה (sh'elá, “a question”) + ‎־ון → ‎שְׁאֵלוֹן (sh'elón, “a questionnaire”)

4. A suffix indicating tools.

   ‎שָׁעָה (sha'á, “an hour”) + ‎־ון → ‎שָׁעוֹן (sha'ón, “clock, watch”)

5. A suffix used in words indicating order.

   ‎רֹאשׁ (rosh, “a head”) + ‎־ון → ‎רִאשׁוֹן (rishón, “first”)

6. A superlative suffix.

   ‎רֹאשׁ (rosh, “head”) + ‎־ון → ‎רִאשׁוֹן (rishón, “head most”)

   ‎עִלִּי (ili, “upper”) + ‎־ון → ‎עֶלְיוֹן (elyon, “most high”)

• (forming diminutives): ־ית (-it), ־צ׳יק (-chik), reduplication

Ultimately from Ancient Greek -ον (-on, “-um”).

־וֹן • (-on)

1. -un; used in borrowing certain European words that end in -um or one of its cognates.

• ־וּם (-um, “-um”)

• אִצְטַדְיוֹן (itztadyón, “stadium”)
• מוּזֵיאוֹן (muze'ón, “museum”)
• תֵּאַטְרוֹן (teatrón, “theatre”)