water is vís

vís = water
alternate spelling: vees

Some things Google found for "vís" and "vis":
Vis is an uncommon last name that can be Dutch. In Icelandic vís means wise, certain. In Dutch and Afrikaans vis means fish. In French vis means screw (metal fastener). In Swedish vis means wise. Vis is a Croatian island in the Adriatic sea and the name of a town on that island.

Word derivation for "water" :
Hungarian = víz
Finnish = vesi
Samgur = vís

The Hungarian and Finnish words are quite similar here.

summer is kársa

kársa = summer (seasons)
alternate spelling: kahrsa

Some things Google found for "karsa":
Karsa Orlong is a fictional male character in Steven Erikson's fantasy series Malazan Book of the Fallen. Karsa is an unusual last name. Karsa is a rare first name. In Indonesian karsa means intention. Karsa (or K'arsa) is the name of a place in Ethiopia.

Word derivation for "summer" :
Hungarian = nyár
Finnish = kesä
Samgur = kársa

Making this word, I changed the ä to a for vowel harmony.

winter is tali

tali = winter (seasons)

Some things Google found for "tali":
Tali is a uncommon feminine first name which can be Hebrew. Tali is an uncommon to unusual last name. In Latin tali are anklebones or knucklebones. In Finnish tali means tallow. In Malay tali means rope. Tali is the name of places in Finland, Estonia, Sudan, Pakistan and China.

Word derivation for "winter" :
Hungarian = tél
Finnish = talvi
Samgur = tali

autumn is sösk

sösk = autumn (seasons)
alternate spelling: seusk

Some things Google found for "sösk" and "sosk":
SÖSK stands for Sydöstra Skånes Samarbetskommitté (Southeast Skåne Cooperation Committee) of Sweden. Sosk is an rare last name. SOSK design of an Icelandic designer. SOSK is an Australian non-profit for children and women in Kenya. Chamy Sosk is the name of a place in Iraq.

Word derivation for "autumn" :
Hungarian = ősz (which I transliterate to ös)
Finnish = syksy (which I transliterate to süksü)
Samgur = sösk

spring is teväs

teväs = spring (seasons)
alternate spelling: tevaes

Some things Google found for "tevas":
Similar Teva is a brand name of sandals and shoes. Tevas is a rare last name. Tevas is a rare first name. In Lithuanian tėvas means father.

Word derivation for "spring" :
Hungarian = tavasz (which I transliterate to tavas)
Finnish = kevät
Samgur = teväs

Both the Hungarian and the Finnish words have a V in the middle, so I made my Samgur like that too.

crow is varsú

varsú = crow (birds)
alternate spelling: varsu

Some things Google found for "varsu":
Varsu is a rare last name. Similar Värssu a the name of a place in Estonia.

Word derivation for "crow" :
Hungarian = varjú (which I transliterate to varyú)
Finnish = varis
Samgur = varsú

Note the similarity of the Hungarian and Finnish words.

snake is kädye

kädye = snake (reptiles)
alternate spelling: kaedye

Some things Google found for "kädye":
Similar Kadye is a rare feminine first name. Similar Kadye is a rare last name that can be Zimbabwean.

My word definition should not be seen as a comment about people named Kadye. I have nothing against anyone named Kadye. This is merely a word in my made-up, conlang language. Kädye is a mix of letters from the Hungarian and Finnish words. Besides, my word has an "ä" in it and is pronounced like "KAH-djeh".

Word derivation for "snake" :
Hungarian = kígyó (which I transliterate to kídyó)
Finnish = käärme
Samgur = kädye